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Results for "

lactose

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Bacterial (7) Biochemical Assay Reagents (28) Calcium Channel (2) Drug Derivative (2) Drug Intermediate (1) Endogenous Metabolite (9) Enterovirus (1) Environmental Pollutants (2) ERK (2) Fungal (1) Galectin (1) Glycosidase (10) Glycosyltransferase (1) iGluR (1) Interleukin Related (2) Isotope-Labeled Compounds (3) NF-κB (2) Phospholipase (1) Reference Standards (5)
By Research Areas:	Cancer (7) Infection (8) Inflammation/Immunology (3) Metabolic Disease (15) Neurological Disease (3)
Click Chemistry:	Azide (1)

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Isotope-Labeled Compounds

Antibodies

Click Chemistry

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-15921

IPTG 30+ Cited Publications Isopropyl β-D-thiogalactoside	Biochemical Assay Reagents	Others
IPTG is a molecular mimic of allolactose, a lactose metabolite that triggers transcription of the lac operon, and it is therefore used to induce protein expression where the gene is under the control of the lac operator.

HY-B2123

*Lactose* 3 Publications Verification	Environmental Pollutants Endogenous Metabolite Interleukin Related ERK NF-κB	Inflammation/Immunology
Lactose is a β-galactoside consisting of galactose and glucose residues, the main carbohydrate in mammalian breast milk. Lactose, a macronutrient and an inducer of host innate immune responses, possesses immune modulatory functions .

HY-P2869

β-Galactosidase, E. coli EC 3.2.1.23; GAL	Glycosidase	Metabolic Disease
β-Galactosidase, E. coli (EC 3.2.1.23; GAL) is a glycoside hydrolase that hydrolyzes the β-glycosidic bonds formed between galactose and its organic moieties. β-Galactosidase, E. coli can hydrolyze lactose to form glucose and galactose, and enter glycolysis; it can also catalyze the transgalactosylation of lactose into allolactose; allolactose can be cracked into monosaccharides .

HY-N10528

3-Fucosyllactose 1 Publications Verification 3-Fucosyl-D-lactose	Bacterial Enterovirus	Infection Neurological Disease Inflammation/Immunology
3-Fucosyllactose (3-Fucosyl-D-lactose) is one of the major fucosylated oligosaccharides found in human breast milk. 3-Fucosyllactose shows prebiotic, immunomodulator, neonatal brain development, and antimicrobial function .

HY-W087904

*α-Lactose* hydrate** α-D-lactose hydrate	Endogenous Metabolite Biochemical Assay Reagents	Others
α-Lactose hydrate (α-D-Lactose (hydrate)) is the primary carbohydrate in the milk of most mammals. α-Lactose hydrate consists of glucose and galactose and exists in two isomeric forms, α and β. α-Lactose hydrate has numerous applications in the food and pharmaceutical industries, such as serving as a bulking or agglomerating agent, and a diluent for pigments, flavors or enzymes .

HY-W015954

(2R,3R)-Butane-2,3-diol	Endogenous Metabolite Calcium Channel Bacterial	Infection Metabolic Disease
(2R,3R)-Butane-2,3-diol is a non-covalent, reversible agonist targeting lanthanum (La ³⁺)-sensitive calcium channels in bacteria (e.g., Escherichia coli) with an EC₅₀ of approximately 25 mM. (2R,3R)-Butane-2,3-diol binds to calcium channel proteins or related complexes, induces channel opening, promotes extracellular calcium influx, and triggers intracellular calcium transients, which may regulate bacterial physiological activities such as growth, metabolism, and signal transduction. (2R,3R)-Butane-2,3-diol mediates bacterial-host cell signaling interactions and affects the metabolic balance of intestinal microorganisms, and can be used to study lactose intolerance and other related diseases .

HY-P3185

beta-Galactose dehydrogenase	Biochemical Assay Reagents	Metabolic Disease
Beta-galactose dehydrogenase is a selective catalyst for β-galactose. Under pH 8.6 conditions, beta-galactose dehydrogenase catalyzes the oxidation of β-galactose, produced by the hydrolysis of lactose by β-galactosidase, with nicotinamide adenine dinucleotide (NAD) to produce reduced nicotinamide adenine dinucleotide (NADH). Beta-galactose dehydrogenase specifically mediates this oxidation reaction for the quantitative detection of the substrate, used in the analysis of lactose concentration in samples such as breast milk .

HY-N2514

α-Lactose α-D-lactose	Others	Others
α-Lactose (α-D-Lactose) is the major sugar present in milk. Lactose exists in the form of two anomers, α and β. The α form normally crystallizes as a monohydrate .

HY-NP009

α-Lactalbumin	Bacterial	Infection Neurological Disease
α-Lactalbumin is a globular whey protein that exists in milk. α-Lactalbumin binds Ca ²⁺, Mg ²⁺, Mn ²⁺, Na ⁺, K ⁺ and Zn ²⁺ ions; among these, Ca ²⁺ binding enhances protein stability, while Zn ²⁺ binding reduces stability and induces aggregation. α-Lactalbumin forms amyloid fibrils, amorphous aggregates, nanoparticles and nanotubes depending on external conditions. α-Lactalbumin exhibits bactericidal and antiviral activities. α-Lactalbumin has anxiolytic and antidepressant activities, and its effects are enhanced under stress conditions .

HY-B1673

*D-Lactose* monohydrate**	Environmental Pollutants Bacterial	Infection Cancer
D-Lactose monohydrate is a sugar. D-Lactose monohydrate can be utilized by most bacteria. D-Lactose monohydrate promotes the growth of tobacco B6S3 tumor tissue. D-Lactose monohydrate is used in the research of the growth mechanism of plant tumor tissues and the sugar utilization of bacteria .

HY-112747

Soy PE LPI; PE (soy)	Phospholipase	Infection
Soy PE (LPI) is the most abundant phospholipid in prokaryotes and the second most abundant found in the membrane of mammalian, plant, and yeast cells, comprising approximately 25% of total mammalian phospholipids. In the brain, phosphatidylethanolamine comprises almost half of the total phospholipids. It is synthesized mainly through the cytidine diphosphate-ethanolamine and phosphatidylserine decarboxylation pathways, which occur in the endoplasmic reticulum (ER) and mitochondrial membranes, respectively. It is a precursor in the synthesis of phosphatidylcholine and arachidonoyl ethanolamide and is a source of ethanolamine used in various cellular functions. In E.coli, phosphatidylethanolamine deficiency prevents proper assembly of lactose permease, suggesting a role as a lipid chaperone. It is a cofactor in the propagation of prions in vitro and can convert recombinant mammalian proteins into infectious molecules even in the absence of RNA. This product contains phosphatidylethanolamine molecular species with variable fatty acyl chain lengths at the sn-1 and sn-2 positions .

HY-W150340

β-Lactose	Galectin Biochemical Assay Reagents	Cancer
β-Lactose is a disaccharide commonly found in milk and dairy products. It consists of two monosaccharides, glucose and galactose, linked by β-glycosidic bonds. β-Lactose has various applications in the food industry, especially as a sweetener and bulking agent. Furthermore, it can be used as a substrate for enzymes involved in lactose metabolism and as a model compound for studying carbohydrate-protein interactions.

HY-P3186A

NAD-dependent Glucose dehydrogenase GDH-NAD	Endogenous Metabolite	Metabolic Disease
NAD-dependent glucose dehydrogenase (GDH-NAD) is an oxidoreductase that uses NAD ⁺ as a coenzyme, specifically catalyzes the dehydrogenation of glucose to gluconolactone, and reduces NAD ⁺ to NADH. NAD-dependent glucose dehydrogenase exhibits favorable substrate selectivity and stability, and is not affected by oxygen .

HY-B2123R

Lactose (Standard)	Reference Standards Endogenous Metabolite Interleukin Related ERK NF-κB	Inflammation/Immunology
Lactose (Standard) is the analytical standard of Lactose. This product is intended for research and analytical applications. Lactose is a β-galactoside consisting of galactose and glucose residues, the main carbohydrate in mammalian breast milk. Lactose, a macronutrient and an inducer of host innate immune responses, possesses immune modulatory functions .

HY-156905

6-Azido-N-acetylgalactosamine-UDP	Biochemical Assay Reagents	Others
6-Azido-N-acetylgalactosamine-UDP (Compound 5) is a 6-azido-modified nucleotide sugar. It acts as an active sugar donor in lactose glycosylation catalyzed by beta-1,3-N-Acetylhexaminyltransferase (LgtA). Azido-modified nucleotide sugars are strategically used in copper-free click chemistry to modify the N-glycan core structure of IgG .

HY-137249

Resorufin-β-D-galactopyranoside	Biochemical Assay Reagents	Others
Resorufin-β-D-galactopyranoside is a commonly used substrate in various biochemical assays to measure the activity of β-galactosidase, an important enzyme involved in lactose metabolism and regulation of gene expression. Resorufin-β-D-galactopyranoside has unique chemical properties and can be hydrolyzed by β-galactosidase to form a red fluorescent product called resorufin. This makes it a useful tool for detecting and quantifying β-galactosidase activity in biological samples such as bacteria or mammalian cells.

HY-B1673R

*D-Lactose* monohydrate (Standard)**	Reference Standards Bacterial	Infection Cancer
D-Lactose monohydrate (Standard) is the analytical standard of D-Lactose monohydrate (HY-B1673). This product is intended for research and analytical applications. D-Lactose monohydrate is a sugar. D-Lactose monohydrate can be utilized by most bacteria. D-Lactose monohydrate promotes the growth of tobacco B6S3 tumor tissue. D-Lactose monohydrate is used in the research of the growth mechanism of plant tumor tissues and the sugar utilization of bacteria .

HY-W779009

*[1-13Cglc]Lactose* monohydrate**	Bacterial	Others
[1-13Cglc]Lactose monohydrate is an isotopic labeling drug .

HY-B1610K

Sodium Citrate Buffer, 0.5M, pH 5.5	Biochemical Assay Reagents	Others
Sodium Citrate Buffer, 0.5M, pH 5.5 is a metal chelator and buffering agent. Sodium Citrate Buffer, 0.5M, pH 5.5 requires oxygen to participate in the oxidation process to reduce pink defects in cooked ground turkey, and it does not function via heme iron chelation or iron complex interaction. When mixed with 50% (by vol.) 1,3-dimethylimidazolium methyl sulfate, Sodium Citrate Buffer, 0.5M, pH 5.5 can serve as an aqueous buffering medium to maintain the catalytic efficiency of the hyperthermophilic β-glycosidase CelB for lactose hydrolysis at 80°C, while also acting as a reaction medium for CelB-catalyzed lactose hydrolysis and galactosyltransferase assays .

HY-157353

MacConkey Agar MAC	Biochemical Assay Reagents	Others Cancer
MacConkey Agar (MAC) can be used for selective isolation and culture of intestinal pathogens. The composition of 1 liter of MacConkey Agar (MAC) is: 20.0g peptone, 10.0 g lactose, 1.5 g Bile salt number three, 5.0 g sodium chloride, 0.03g Neutral red, 0.001 g Crystal viol and 15.0 g agar .

HY-W008864

Lactose octaacetate β-Octaacetyllactose	Fungal	Infection
Lactose octaacetate shows mild to moderate antifungal activity against some fungi, but it has low or no activity against bacteria and yeast. Lactose octaacetate shows low cytotoxicity to MDBK cells, Hep-2 and MDCK cells. Lactose octaacetate has antiviral activity against PV-1 .

HY-W145535

Sialyl lewis x-lactose	Biochemical Assay Reagents Endogenous Metabolite	Others
Sialyl Lewis X-Lactose is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

HY-P2869I

β-Galactosidase, Sweet almond	Glycosidase	Metabolic Disease
β-Galactosidase, Sweet almond is a glycoside hydrolase that hydrolyzes the β-glycosidic bonds formed between galactose and its organic moieties. β-Galactosidase, Sweet almond can hydrolyze lactose to form glucose and galactose, and enter glycolysis; it can also catalyze the transgalactosylation of lactose into allolactose; allolactose can be cracked into monosaccharides .

HY-W087904R

*α-Lactose* hydrate (Standard)** α-D-lactose hydrate (Standard)	Endogenous Metabolite Reference Standards	Others
α-Lactose (hydrate) (Standard) is the analytical standard of α-Lactose (hydrate). This product is intended for research and analytical applications. α-Lactose (hydrate) (α-D-Lactose (hydrate)) is the principal carbohydrate in the milk of most mammals. α-Lactose (hydrate) consists of glucose and galactose and exists in the form of two anomers, α and β. α-Lactose (hydrate) has many uses in the food and pharmaceutical industries, such as a free-flowing or agglomerating agent, a diluent for pigments, flavors, or enzymes .

HY-W015954R

(2R,3R)-Butane-2,3-diol (Standard)	Reference Standards Endogenous Metabolite Calcium Channel Bacterial	Infection Metabolic Disease
(2R,3R)-Butane-2,3-diol (Standard) is the analytical standard of (2R,3R)-Butane-2,3-diol (HY-W015954). This product is intended for research and analytical applications. (2R,3R)-Butane-2,3-diol is a non-covalent, reversible agonist targeting lanthanum (La ³⁺)-sensitive calcium channels in bacteria (e.g., Escherichia coli) with an EC₅₀ of approximately 25 mM. (2R,3R)-Butane-2,3-diol binds to calcium channel proteins or related complexes, induces channel opening, promotes extracellular calcium influx, and triggers intracellular calcium transients, which may regulate bacterial physiological activities such as growth, metabolism, and signal transduction. (2R,3R)-Butane-2,3-diol mediates bacterial-host cell signaling interactions and affects the metabolic balance of intestinal microorganisms, and can be used to study lactose intolerance and other related diseases .

HY-157349

*Brilliant Green Lactose* Bile Broth** BGLB	Biochemical Assay Reagents	Others
Brilliant Green Lactose Bile Broth can be used for confirmatory testing of coliform bacteria. The ingredients of Blood Enrichment Medium include tryptone, lactose, ox bile powder, and brilliant green .

HY-116055

(2R)-Glycerol-O-β-D-galactopyranoside 3-O-β-D-Galactopyranosyl-sn-glycerol	Biochemical Assay Reagents	Others
(2R)-Glycerol-O-β-D-galactopyranoside (3-O-β-D-Galactopyranosyl-sn-glycerol) is a good substrate for all three components of the lac operon, i.e. β-galactosidase, the lactose transporter and thiogalactoside transacetylase .

HY-E70044

beta-1, 3-N-Acetylhexaminyltransferase (LgtA)	Glycosyltransferase	Metabolic Disease
beta-1, 3-N-Acetylhexaminyltransferase (LgtA) is a glycosyltransferase, is often used in biochemical studies. beta-1, 3-N-Acetylhexaminyltransferase (LgtA) catalyzes the transfer of N-acetylglucosamine from UDP-GlcNAc to N-acetyllactosamine and lactose .

HY-W768291

*[1-13Cgal]Lactose* monohydrate**	Isotope-Labeled Compounds	Others
[1-13Cgal]Lactose (monohydrate) is a labelled Lactose Monohydrate.

HY-W768296

*D-Lactose* monohydrate-13C12**	Isotope-Labeled Compounds Biochemical Assay Reagents	Metabolic Disease
D-Lactose monohydrate- ¹³C₁₂ is the ¹³C-labeled D-Lactose (hydrate) (HY-W115740). D-Lactose monohydrate is a type of lactose. D-Lactose is composed of D-galactose and D-glucose. D-Lactose monohydrate can be used as sweetener or excipient .

HY-W768295

*D-Lactose* monohydrate-13C6**	Isotope-Labeled Compounds Biochemical Assay Reagents	Metabolic Disease
D-Lactose monohydrate- ¹³C₆ is the ¹³C-labeled D-Lactose (hydrate) (HY-W115740). D-Lactose monohydrate is a type of lactose. D-Lactose is composed of D-galactose and D-glucose. D-Lactose monohydrate can be used as sweetener or excipient .

HY-137064

*Memantine lactose* adduct**	iGluR	Neurological Disease
Memantine lactose adduct is a lactose adduct of Memantine (HY-B0591) and an intermediate in the synthesis of adamantane amine antibiotics .

HY-157381

*China Blue Lactose* Agar**	Biochemical Assay Reagents	Others
China Blue Lactose Agar is a weakly selective medium used for the selective isolation of intestinal pathogenic bacteria.

HY-171456

PD-224378	Drug Derivative	Metabolic Disease
PD-224378 is the lactam form of glycosylamine (β-anomer) formed by the Maillard reaction between pregabalin and lactose .

HY-N15237

Allyl β-lactoside Allyl β-D-lactose	Biochemical Assay Reagents	Others
Allyl β-lactoside (Allyl β-D-lactose) is a lactoside, which can be generated by incubating lactose and allyl alcohol with cellulase preparation, and can be used as a starting material for the synthesis of glycopolymers .

HY-W341713

Hepta-O-acetyl-α-D-lactosyl bromide	Drug Intermediate	Others
Hepta-O-acetyl-α-D-lactosyl bromide (Compound 4) is a brominated lactoside. Hepta-O-acetyl-α-D-lactosyl bromide is a synthetic substrate for perfluoroalkyl-labeled lactose lipids .

HY-W698571

Lactose-3'-sulfate 4-O-(3-O-Sulfo-β-D-galactopyranosyl)-D-glucose	Biochemical Assay Reagents	Others
Lactose-3'-sulfate (4-O-(3-O-Sulfo-β-D-galactopyranosyl)-D-glucose) is a class of biochemical reagents used in glycobiology research. Glycobiology studies the structure, synthesis, biology, and evolution of sugars. It involves carbohydrate chemistry, enzymology of glycan formation and degradation, protein-glycan recognition, and the role of glycans in biological systems. This field is closely related to basic research, biomedicine, and biotechnology .

HY-167578

*Hepta-o-acetyl-lactose-1-o-trichloroacetimidate*	Biochemical Assay Reagents	Others
Hepta-o-acetyl-lactose-1-o-trichloroacetimidate is a class of biochemical reagents used in glycobiology research. Glycobiology studies the structure, synthesis, biology and evolution of sugars. It involves carbohydrate chemistry, enzymology of glycan formation and degradation, protein-Glycan recognition and the role of glycans in biological systems. This field is closely related to basic research, biomedicine and biotechnology.

HY-113162R

Bovinic acid (Standard)	Reference Standards Endogenous Metabolite	Metabolic Disease Cancer
α-Lactose (hydrate) (Standard) is the analytical standard of α-Lactose (hydrate). This product is intended for research and analytical applications. α-Lactose (hydrate) (α-D-Lactose (hydrate)) is the principal carbohydrate in the milk of most mammals. α-Lactose (hydrate) consists of glucose and galactose and exists in the form of two anomers, α and β. α-Lactose (hydrate) has many uses in the food and pharmaceutical industries, such as a free-flowing or agglomerating agent, a diluent for pigments, flavors, or enzymes .

HY-157350

Violet Red Bile Agar VRBA	Biochemical Assay Reagents	Others
Violet Red Bile Agar can be used for solid plate detection of coliforms (GB, SN standards). Violet Red Bile Agar ingredients include peptone, yeast powder, sodium chloride, lactose, bile salts, crystal violet, neutral red, agar .

HY-157364

Levine Eosin-Methylene Blue Agar Medium Levine EMB Agar	Biochemical Assay Reagents	Others
Levine Eosin-Methylene Blue Agar Medium (Levine EMB Agar) is a weakly selective medium for the isolation of intestinal pathogens, especially E. coli. The composition of 1 liter of Levine Eosin-Methylene Blue Agar Medium: 10.0 g Peptone, 10.0 g lactose, 2.0 g dipotassium hydrogen phosphate, 15.0 g agar, 0.4 g eosin, 0.065 g methylene blue .

HY-E70885

Beta-galactosidase A BgaA	Glycosidase	Others
Beta-galactosidase A (BgaA) is a hydrolytic enzyme that hydrolyzes Lactose (HY-B2123) .

HY-P2869J

β-Galactosidase, Kluyveromyces lactis	Biochemical Assay Reagents	Metabolic Disease
β-Galactosidase, Kluyveromyces lactis is a hydrolase enzyme that catalyzes the hydrolysis of β-galactosides into monosaccharides. SubstRates of different β-galactosidases include ganglioside GM1, lactosylceramides, lactose, and various glycoproteins.

HY-156905A

6-Azido-N-acetylgalactosamine-UDP diammonium	Biochemical Assay Reagents	Cancer
6-Azido-N-acetylgalactosamine-UDP diammonium (compound 5) is an active sugar donor in the beta-1, 3-N-Acetylhexaminyltransferase (LgtA)-catalyzed glycosylation of lactose .

HY-E70890

β-Galactosidase Mutein, E. coli	Glycosidase	Metabolic Disease
β-Galactosidase Mutein, E. coli is a hydrolase enzyme that catalyzes the hydrolysis of β-galactosides into monosaccharides. Substrates of different β-galactosidases include ganglioside GM1, lactosylceramides, lactose, and various glycoproteins.

HY-E71027

β-Galactosidase-biotin labeled, Escherichia coli	Biochemical Assay Reagents	Metabolic Disease
β-Galactosidase-biotin labeled, Escherichia coli is a hydrolase enzyme that catalyzes the hydrolysis of β-galactosides into monosaccharides. SubstRates of different β-galactosidases include ganglioside GM1, lactosylceramides, lactose, and various glycoproteins.

HY-E71301

β-Galactoside α-2,6-sialyltransferase	Biochemical Assay Reagents	Others
The terminal β-D-galactose residues of glycoprotein oligosaccharides, as well as lactose, can both serve as acceptors for β-Galactoside α-2,6-sialyltransferase (EC 2.4.99.1).

HY-E71299

β-Galactosidase 42A, Bifidobacterium longum	Glycosidase	Others
β-Galactosidase 42A, Bifidobacterium longum (EC 3.2.1.23) is a hydrolase enzyme that catalyzes the hydrolysis of β-galactosides into monosaccharides. Substrates of different β-galactosidases include ganglioside GM1, lactosylceramides, lactose, and various glycoproteins.

HY-E71299B

β-Galactosidase 42A, Thermotoga maritima	Glycosidase	Others
β-Galactosidase 42A, Thermotoga maritima (EC 3.2.1.23) is a hydrolase enzyme that catalyzes the hydrolysis of β-galactosides into monosaccharides. Substrates of different β-galactosidases include ganglioside GM1, lactosylceramides, lactose, and various glycoproteins.

HY-E71297

β-Galactosidase 2A, Bacteroides thetaiotaomicron	Glycosidase	Others
β-Galactosidase 2A, Bacteroides thetaiotaomicron (EC 3.2.1.23) is a hydrolase enzyme that catalyzes the hydrolysis of β-galactosides into monosaccharides. Substrates of different β-galactosidases include ganglioside GM1, lactosylceramides, lactose, and various glycoproteins.

Cat. No.	Product Name	Type

HY-15921

IPTG 30+ Cited Publications Isopropyl β-D-thiogalactoside	Biochemical Assay Reagents
IPTG is a molecular mimic of allolactose, a lactose metabolite that triggers transcription of the lac operon, and it is therefore used to induce protein expression where the gene is under the control of the lac operator.

HY-NP009

α-Lactalbumin

Biochemical Assay Reagents

α-Lactalbumin is a globular whey protein that exists in milk. α-Lactalbumin binds Ca ²⁺, Mg ²⁺, Mn ²⁺, Na ⁺, K ⁺ and Zn ²⁺ ions; among these, Ca ²⁺ binding enhances protein stability, while Zn ²⁺ binding reduces stability and induces aggregation. α-Lactalbumin forms amyloid fibrils, amorphous aggregates, nanoparticles and nanotubes depending on external conditions. α-Lactalbumin exhibits bactericidal and antiviral activities. α-Lactalbumin has anxiolytic and antidepressant activities, and its effects are enhanced under stress conditions .

HY-137249

Resorufin-β-D-galactopyranoside

Biochemical Assay Reagents

Resorufin-β-D-galactopyranoside is a commonly used substrate in various biochemical assays to measure the activity of β-galactosidase, an important enzyme involved in lactose metabolism and regulation of gene expression. Resorufin-β-D-galactopyranoside has unique chemical properties and can be hydrolyzed by β-galactosidase to form a red fluorescent product called resorufin. This makes it a useful tool for detecting and quantifying β-galactosidase activity in biological samples such as bacteria or mammalian cells.

HY-B1610K

Sodium Citrate Buffer, 0.5M, pH 5.5

Biochemical Assay Reagents

Sodium Citrate Buffer, 0.5M, pH 5.5 is a metal chelator and buffering agent. Sodium Citrate Buffer, 0.5M, pH 5.5 requires oxygen to participate in the oxidation process to reduce pink defects in cooked ground turkey, and it does not function via heme iron chelation or iron complex interaction. When mixed with 50% (by vol.) 1,3-dimethylimidazolium methyl sulfate, Sodium Citrate Buffer, 0.5M, pH 5.5 can serve as an aqueous buffering medium to maintain the catalytic efficiency of the hyperthermophilic β-glycosidase CelB for lactose hydrolysis at 80°C, while also acting as a reaction medium for CelB-catalyzed lactose hydrolysis and galactosyltransferase assays .

HY-157353

MacConkey Agar MAC	Biochemical Assay Reagents
MacConkey Agar (MAC) can be used for selective isolation and culture of intestinal pathogens. The composition of 1 liter of MacConkey Agar (MAC) is: 20.0g peptone, 10.0 g lactose, 1.5 g Bile salt number three, 5.0 g sodium chloride, 0.03g Neutral red, 0.001 g Crystal viol and 15.0 g agar .

HY-W008864

Lactose octaacetate β-Octaacetyllactose	Biochemical Assay Reagents
Lactose octaacetate shows mild to moderate antifungal activity against some fungi, but it has low or no activity against bacteria and yeast. Lactose octaacetate shows low cytotoxicity to MDBK cells, Hep-2 and MDCK cells. Lactose octaacetate has antiviral activity against PV-1 .

HY-W145535

Sialyl lewis x-lactose	Biochemical Assay Reagents
Sialyl Lewis X-Lactose is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

HY-157349

*Brilliant Green Lactose* Bile Broth** BGLB	Biochemical Assay Reagents
Brilliant Green Lactose Bile Broth can be used for confirmatory testing of coliform bacteria. The ingredients of Blood Enrichment Medium include tryptone, lactose, ox bile powder, and brilliant green .

HY-157381

*China Blue Lactose* Agar**	Biochemical Assay Reagents
China Blue Lactose Agar is a weakly selective medium used for the selective isolation of intestinal pathogenic bacteria.

HY-W698571

Lactose-3'-sulfate

4-O-(3-O-Sulfo-β-D-galactopyranosyl)-D-glucose

Biochemical Assay Reagents

Lactose-3'-sulfate (4-O-(3-O-Sulfo-β-D-galactopyranosyl)-D-glucose) is a class of biochemical reagents used in glycobiology research. Glycobiology studies the structure, synthesis, biology, and evolution of sugars. It involves carbohydrate chemistry, enzymology of glycan formation and degradation, protein-glycan recognition, and the role of glycans in biological systems. This field is closely related to basic research, biomedicine, and biotechnology .

HY-167578

Hepta-o-acetyl-lactose-1-o-trichloroacetimidate

Biochemical Assay Reagents

Hepta-o-acetyl-lactose-1-o-trichloroacetimidate is a class of biochemical reagents used in glycobiology research. Glycobiology studies the structure, synthesis, biology and evolution of sugars. It involves carbohydrate chemistry, enzymology of glycan formation and degradation, protein-Glycan recognition and the role of glycans in biological systems. This field is closely related to basic research, biomedicine and biotechnology.

HY-157350

Violet Red Bile Agar VRBA	Biochemical Assay Reagents
Violet Red Bile Agar can be used for solid plate detection of coliforms (GB, SN standards). Violet Red Bile Agar ingredients include peptone, yeast powder, sodium chloride, lactose, bile salts, crystal violet, neutral red, agar .

HY-157364

Levine Eosin-Methylene Blue Agar Medium Levine EMB Agar	Biochemical Assay Reagents
Levine Eosin-Methylene Blue Agar Medium (Levine EMB Agar) is a weakly selective medium for the isolation of intestinal pathogens, especially E. coli. The composition of 1 liter of Levine Eosin-Methylene Blue Agar Medium: 10.0 g Peptone, 10.0 g lactose, 2.0 g dipotassium hydrogen phosphate, 15.0 g agar, 0.4 g eosin, 0.065 g methylene blue .

HY-182832

Skim Milk powder Dry skim milk; Non-fat milk solids; Skimmed milk powder	Biochemical Assay Reagents
Skim milk powder (dry skim milk) is a nutrient source for microbial culture media. It provides a variety of nutrients, including protein, lactose, and minerals, supporting the growth of various microorganisms. Skim milk powder can also be used in the sealing process of Western blotting experiments.

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-B2123

*Lactose* 3 Publications Verification	Structural Classification Human Gut Microbiota Metabolites Polysaccharides Microorganisms Classification of Application Fields Other Diseases Endogenous metabolite Disease Research Fields Saccharides Source Classification	Environmental Pollutants Endogenous Metabolite Interleukin Related ERK NF-κB
Lactose is a β-galactoside consisting of galactose and glucose residues, the main carbohydrate in mammalian breast milk. Lactose, a macronutrient and an inducer of host innate immune responses, possesses immune modulatory functions .

HY-N10528

3-Fucosyllactose 1 Publications Verification 3-Fucosyl-D-lactose	Infection Polysaccharides Classification of Application Fields Animals Inflammation/Immunology Disease Research Fields Saccharides	Bacterial Enterovirus
3-Fucosyllactose (3-Fucosyl-D-lactose) is one of the major fucosylated oligosaccharides found in human breast milk. 3-Fucosyllactose shows prebiotic, immunomodulator, neonatal brain development, and antimicrobial function .

HY-W087904

*α-Lactose* hydrate** α-D-lactose hydrate	Structural Classification Polysaccharides Animals Saccharides Source Classification	Endogenous Metabolite Biochemical Assay Reagents
α-Lactose hydrate (α-D-Lactose (hydrate)) is the primary carbohydrate in the milk of most mammals. α-Lactose hydrate consists of glucose and galactose and exists in two isomeric forms, α and β. α-Lactose hydrate has numerous applications in the food and pharmaceutical industries, such as serving as a bulking or agglomerating agent, and a diluent for pigments, flavors or enzymes .

HY-W015954

(2R,3R)-Butane-2,3-diol	Natural Products Human Gut Microbiota Metabolites Microorganisms Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite Calcium Channel Bacterial
(2R,3R)-Butane-2,3-diol is a non-covalent, reversible agonist targeting lanthanum (La ³⁺)-sensitive calcium channels in bacteria (e.g., Escherichia coli) with an EC₅₀ of approximately 25 mM. (2R,3R)-Butane-2,3-diol binds to calcium channel proteins or related complexes, induces channel opening, promotes extracellular calcium influx, and triggers intracellular calcium transients, which may regulate bacterial physiological activities such as growth, metabolism, and signal transduction. (2R,3R)-Butane-2,3-diol mediates bacterial-host cell signaling interactions and affects the metabolic balance of intestinal microorganisms, and can be used to study lactose intolerance and other related diseases .

HY-N2514

α-Lactose α-D-lactose	Polysaccharides Animals Classification of Application Fields Other Diseases Disease Research Fields Saccharides Source Classification	Others
α-Lactose (α-D-Lactose) is the major sugar present in milk. Lactose exists in the form of two anomers, α and β. The α form normally crystallizes as a monohydrate .

HY-B1673

*D-Lactose* monohydrate**	Structural Classification Polysaccharides Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Saccharides Source Classification	Environmental Pollutants Bacterial
D-Lactose monohydrate is a sugar. D-Lactose monohydrate can be utilized by most bacteria. D-Lactose monohydrate promotes the growth of tobacco B6S3 tumor tissue. D-Lactose monohydrate is used in the research of the growth mechanism of plant tumor tissues and the sugar utilization of bacteria .

HY-B2123R

Lactose (Standard)	Structural Classification Human Gut Microbiota Metabolites Polysaccharides Microorganisms Endogenous metabolite Saccharides Source Classification	Reference Standards Endogenous Metabolite Interleukin Related ERK NF-κB
Lactose (Standard) is the analytical standard of Lactose. This product is intended for research and analytical applications. Lactose is a β-galactoside consisting of galactose and glucose residues, the main carbohydrate in mammalian breast milk. Lactose, a macronutrient and an inducer of host innate immune responses, possesses immune modulatory functions .

HY-B1673R

*D-Lactose* monohydrate (Standard)**	Structural Classification Polysaccharides Endogenous metabolite Saccharides Source Classification	Reference Standards Bacterial
D-Lactose monohydrate (Standard) is the analytical standard of D-Lactose monohydrate (HY-B1673). This product is intended for research and analytical applications. D-Lactose monohydrate is a sugar. D-Lactose monohydrate can be utilized by most bacteria. D-Lactose monohydrate promotes the growth of tobacco B6S3 tumor tissue. D-Lactose monohydrate is used in the research of the growth mechanism of plant tumor tissues and the sugar utilization of bacteria .

HY-W145535

Sialyl lewis x-lactose	Natural Products Classification of Application Fields Other Diseases Endogenous metabolite Disease Research Fields Source Classification	Biochemical Assay Reagents Endogenous Metabolite
Sialyl Lewis X-Lactose is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

HY-W087904R

*α-Lactose* hydrate (Standard)** α-D-lactose hydrate (Standard)	Structural Classification Polysaccharides Animals Saccharides Source Classification	Endogenous Metabolite Reference Standards
α-Lactose (hydrate) (Standard) is the analytical standard of α-Lactose (hydrate). This product is intended for research and analytical applications. α-Lactose (hydrate) (α-D-Lactose (hydrate)) is the principal carbohydrate in the milk of most mammals. α-Lactose (hydrate) consists of glucose and galactose and exists in the form of two anomers, α and β. α-Lactose (hydrate) has many uses in the food and pharmaceutical industries, such as a free-flowing or agglomerating agent, a diluent for pigments, flavors, or enzymes .

HY-W015954R

(2R,3R)-Butane-2,3-diol (Standard)	Structural Classification Natural Products Human Gut Microbiota Metabolites Microorganisms Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite Calcium Channel Bacterial
(2R,3R)-Butane-2,3-diol (Standard) is the analytical standard of (2R,3R)-Butane-2,3-diol (HY-W015954). This product is intended for research and analytical applications. (2R,3R)-Butane-2,3-diol is a non-covalent, reversible agonist targeting lanthanum (La ³⁺)-sensitive calcium channels in bacteria (e.g., Escherichia coli) with an EC₅₀ of approximately 25 mM. (2R,3R)-Butane-2,3-diol binds to calcium channel proteins or related complexes, induces channel opening, promotes extracellular calcium influx, and triggers intracellular calcium transients, which may regulate bacterial physiological activities such as growth, metabolism, and signal transduction. (2R,3R)-Butane-2,3-diol mediates bacterial-host cell signaling interactions and affects the metabolic balance of intestinal microorganisms, and can be used to study lactose intolerance and other related diseases .

HY-N15237

Allyl β-lactoside Allyl β-D-lactose	Polysaccharides Endogenous metabolite Saccharides Source Classification	Biochemical Assay Reagents
Allyl β-lactoside (Allyl β-D-lactose) is a lactoside, which can be generated by incubating lactose and allyl alcohol with cellulase preparation, and can be used as a starting material for the synthesis of glycopolymers .

HY-113162R

Bovinic acid (Standard)	Structural Classification Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
α-Lactose (hydrate) (Standard) is the analytical standard of α-Lactose (hydrate). This product is intended for research and analytical applications. α-Lactose (hydrate) (α-D-Lactose (hydrate)) is the principal carbohydrate in the milk of most mammals. α-Lactose (hydrate) consists of glucose and galactose and exists in the form of two anomers, α and β. α-Lactose (hydrate) has many uses in the food and pharmaceutical industries, such as a free-flowing or agglomerating agent, a diluent for pigments, flavors, or enzymes .

Species:	Human (5) Mouse (1) E.coli (3)
Tag:	SUMO (1) His (8) Strep (1) GST (1)
Source:	HEK293 (2) E. coli (7)

Cat. No.	Compare	Product Name	Species	Source	Image

HY-P71519

	LacI WT Protein, E.coli (His-SUMO) lacI; b0345; JW0336; lactose operon repressor	E.coli	E. coli
	LacI, the lactose operon repressor, regulates lactose metabolism by binding to the operator region and repressing gene transcription. The presence of the inducer, allolactose, alters its binding affinity, derepressing the operon. As a homotetramer, LacI finely tunes lactose metabolism, orchestrating regulatory mechanisms in response to the cellular environment. LacI WT Protein, E.coli (His-SUMO) is the recombinant E. coli-derived LacI protein, expressed by E. coli , with N-His, N-SUMO labeled tag.

HY-P701244

	LacI WT Protein, E.coli (His) rE.colactose operon repressor/LacI, His; lactose operon repressor; LacI	E.coli	E. coli
	LacI, the lactose operon repressor, regulates lactose metabolism by binding to the operator region and repressing gene transcription. The presence of the inducer, allolactose, alters its binding affinity, derepressing the operon. As a homotetramer, LacI finely tunes lactose metabolism, orchestrating regulatory mechanisms in response to the cellular environment. LacI WT Protein, E.coli (His) is the recombinant E. coli-derived LacI WT protein, expressed by E. coli , with N-10*His labeled tag.

HY-P70247

	LacI Protein, E.coli (Q360QC, His) rE.colactose operon repressor/LacI, His; lactose operon repressor; LacI	E.coli	E. coli
	LacI, the lactose operon repressor, regulates lactose metabolism by binding to the operator region and repressing gene transcription. The presence of the inducer, allolactose, alters its binding affinity, derepressing the operon. As a homotetramer, LacI finely tunes lactose metabolism, orchestrating regulatory mechanisms in response to the cellular environment. LacI Protein, E.coli (Q360QC, His) is the recombinant E. coli-derived LacI protein, expressed by E. coli , with N-10*His labeled tag and Q360QC mutation.

HY-P70229

	LALBA Protein, Human (HEK293, His) rHuAlpha-lactalbumin/LALBA, His; lactose synthase B protein; Lysozyme-like protein 7; LALBA; LYZL7	Human	HEK293
	LALBA proteins are regulatory subunits of lactose synthase and play a key role in altering the substrate specificity of mammary galactosyltransferase. This modification allows galactosyltransferase to utilize glucose, promoting the synthesis of lactose - the main milk carbohydrate. LALBA Protein, Human (HEK293, His) is the recombinant human-derived LALBA protein, expressed by HEK293 , with C-6*His labeled tag.

HY-P78694

	Galectin-4 Protein, Mouse (HEK293, His) LGALS4; L36LBP; Gal-4; Antigen NY-CO-27; lactose-binding lectin 4	Mouse	HEK293
	Galectin-4 is a lactose-binding protein belonging to the galectin family that exhibits specific affinities for a range of structurally related sugars. This multifunctional protein is noteworthy for its functionality as a monomer, highlighting its individual molecular structure and suggesting that it may exert its biological effects through independent interactions rather than as part of a larger complex. Galectin-4 Protein, Mouse (HEK293, His) is the recombinant mouse-derived Galectin-4 protein, expressed by HEK293 , with N-His labeled tag.

HY-P700301

	Galectin-2/LGALS2 Protein, Human (GST) Galectin; Lgals2; Beta-gActoside-binding lectin L-14-II; GAL2; Gal-2; galectin 2; Galectin2; Galectin-2; HL14gal-2; lactose-binding lectin 2; lectin, gActoside-binding, soluble, 2; MGC75071; S-Lac lectin 2	Human	E. coli
	The Galectin-2 (LGALS2) protein binds with affinity to β-galactopyranoside and forms homodimers, indicating a basic functional organization. Although the physiological role is unclear, β-galactoside binding of LGALS2 suggests a possible involvement in recognition of specific carbohydrates. Galectin-2/LGALS2 Protein, Human (GST) is the recombinant human-derived Galectin-2/LGALS2 protein, expressed by E. coli , with N-GST labeled tag.

HY-P70273AF

	Animal-Free Galectin-1/LGALS1 Protein, Human (His) Gal-1; 14 kDa Laminin-Binding Protein; HLBP14; 14 kDa Lectin; Beta-Galactoside-Binding Lectin L-14-I; Galaptin; HBL; HPL; lactose-Binding Lectin 1; Lectin Galactoside-Binding Soluble 1; Putative MAPK-Activating Protein PM12; S-Lac Lectin 1; LGALS1	Human	E. coli
	Galectin-1/LGALS1 is a lectin that binds β-galactoside and complex carbohydrates and regulates apoptosis, proliferation, and differentiation. It inhibits CD45 phosphatase activity, blocks Lyn kinase dephosphorylation, and induces T cell apoptosis. Animal-Free Galectin-1/LGALS1 Protein, Human (His) is the recombinant human-derived animal-FreeGalectin-1/LGALS1 protein, expressed by E. coli , with N-His labeled tag. This product is for cell culture use only.

HY-P700078AF

	Animal-Free Galectin-2/LGALS2 Protein, Human (His) Galectin; Lgals2; Beta-gActoside-binding lectin L-14-II; GAL2; Gal-2; galectin 2; Galectin2; Galectin-2; HL14gal-2; lactose-binding lectin 2; lectin, gActoside-binding, soluble, 2; MGC75071; S-Lac lectin 2	Human	E. coli
	The Galectin-2 (LGALS2) protein binds with affinity to β-galactopyranoside and forms homodimers, indicating a basic functional organization. Although the physiological role is unclear, β-galactoside binding of LGALS2 suggests a possible involvement in recognition of specific carbohydrates. Animal-Free Galectin-2/LGALS2 Protein, Human (His) is the recombinant human-derived animal-FreeGalectin-2/LGALS2 protein, expressed by E. coli , with N-His labeled tag. This product is for cell culture use only.

HY-P70273

	Galectin-1/LGALS1 Protein, Human (His) rHuGalectin-1/LGALS1, His; Galectin-1; Gal-1; 14 kDa Laminin-Binding Protein; HLBP14; 14 kDa Lectin; Beta-Galactoside-Binding Lectin L-14-I; Galaptin; HBL; HPL; lactose-Binding Lectin 1; Lectin Galactoside-Binding Soluble 1; Putative MAPK-Activating Protein PM12; S-Lac Lectin 1; LGALS1	Human	E. coli
	Galectin-1/LGALS1 is a lectin that binds β-galactoside and complex carbohydrates and regulates apoptosis, proliferation, and differentiation. It inhibits CD45 phosphatase activity, blocks Lyn kinase dephosphorylation, and induces T cell apoptosis. Galectin-1/LGALS1 Protein, Human (His) is the recombinant human-derived Galectin-1/LGALS1 protein, expressed by E. coli , with C-6*His labeled tag.

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Cat. No.	Product Name	Chemical Structure

HY-W779009

*[1-13Cglc]Lactose* monohydrate**
[1-13Cglc]Lactose monohydrate is an isotopic labeling drug .

HY-W768291

*[1-13Cgal]Lactose* monohydrate**
[1-13Cgal]Lactose (monohydrate) is a labelled Lactose Monohydrate.

HY-W768296

*D-Lactose* monohydrate-13C12**
D-Lactose monohydrate- ¹³C₁₂ is the ¹³C-labeled D-Lactose (hydrate) (HY-W115740). D-Lactose monohydrate is a type of lactose. D-Lactose is composed of D-galactose and D-glucose. D-Lactose monohydrate can be used as sweetener or excipient .

HY-W768295

*D-Lactose* monohydrate-13C6**
D-Lactose monohydrate- ¹³C₆ is the ¹³C-labeled D-Lactose (hydrate) (HY-W115740). D-Lactose monohydrate is a type of lactose. D-Lactose is composed of D-galactose and D-glucose. D-Lactose monohydrate can be used as sweetener or excipient .

Host:	Mouse (1) Rabbit (1)
Reactivity:	Human (2) Rat (1)
Application:	IHC-P (2) ICC/IF (1) WB (2)
Isotype:	IgG (1)
Conjugation:	Non-conjugated (2)
Clonality:	Monoclonal (2) Recombinant (1)
Modification:	Unmodified (2)

Cat. No.	Compare	Product Name	Application	Reactivity	Image

HY-P85667

	LALBA Antibody (YA5359) Alpha-lactalbumin; lactose synthase B protein; Lysozyme-like protein 7;	WB, IHC-P, ICC/IF	Human
	LALBA Antibody (YA5359) is a Mouse-derived and non-conjugated monoclonal antibody, targeting to LALBA.

HY-P83632

	GAL4 Antibody (YA3377) L36LBP; lactose binding lectin 4; Lectin galactoside binding soluble 4; LGALS4	WB, IHC-P	Human, Rat
	GAL4 Antibody (YA3377) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to GAL4.

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Cat. No.	Product Name		Classification

HY-156905A

6-Azido-N-acetylgalactosamine-UDP diammonium		Azide
6-Azido-N-acetylgalactosamine-UDP diammonium (compound 5) is an active sugar donor in the beta-1, 3-N-Acetylhexaminyltransferase (LgtA)-catalyzed glycosylation of lactose .

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