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Results for "

colorimetric detection

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Beta-lactamase (1) Biochemical Assay Reagents (6) Caspase (1) Fluorescent Dye (7) Glycosidase (1) Isotope-Labeled Compounds (1) Lipase (1) MOFs (1) Phosphatase (1)
By Research Areas:	Cancer (1) Infection (1) Inflammation/Immunology (1) Metabolic Disease (3)

Inhibitors & Agonists

Fluorescent Dyes

Biochemical Assay Reagents

Peptides

Isotope-Labeled Compounds

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-15926

ONPG 5+ Cited Publications 2-Nitrophenyl β-D-galactopyranoside	Biochemical Assay Reagents	Others
ONPG is a colorimetric and spectrophotometric substrate for detection of β-galactosidase activity.

HY-77962

2-Thiobarbituric acid	Biochemical Assay Reagents	Others
2-Thiobarbituric acid is a commonly used colorimetric reagent for the detection of malondialdehyde (MDA), a marker of lipid peroxidation. 2-Thiobarbituric acid forms a complex with MDA that can be quantified by colorimetric detection at 532 nm as a measure of lipid peroxidation .

HY-15909

BCIP BCIP p-toluidine salt; X-phosphate p-toluidine salt	Fluorescent Dye	Others
BCIP(BCIP p-toluidine salt; X-phosphate p-toluidine salt) is an artificial chromogenic substrate used for the sensitive colorimetric detection of alkaline phosphatase activity .

HY-W013168

4-Nitrophenyl palmitate 4-Nitrophenyl hexadecanoate; p-Nitrophenyl Palmitate; pNpp	Lipase	Others
4-Nitrophenyl palmitate (4-Nitrophenyl hexadecanoate) is a chromogenic substrate for lipases and esterases. Upon enzymatic hydrolysis, 4-Nitrophenyl palmitate releases p-nitrophenol, which can be quantified by colorimetric detection at 410 nm as a measure of enzymatic activity. 4-Nitrophenyl palmitate is used to characterize the activity of various bacterial and mammalian enzymes, including those from Burkholderia and porcine pancreatic lipase .

HY-W129633

2,6-Dichlorophenolindophenol sodium hydrate 1 Publications Verification DCIP sodium hydrate; DPIP sodium hydrate	Biochemical Assay Reagents	Others
2,6-Dichlorophenolindophenol (DCIP; DPIP) sodium hydrate is a redox chromogenic indicator with a redox potential of +217 mV relative to SHE, and it acts as a substrate for reduction reactions. During the metabolic process of nutrient consumption by Saccharomyces cerevisiae, 2,6-Dichlorophenolindophenol sodium hydrate is reduced from dark blue to colorless, resulting in a decrease in absorbance. 2,6-Dichlorophenolindophenol sodium hydrate is widely used in spectrophotometric biochemical oxygen demand determination and preclinical colorimetric toxicity analysis for heavy metal ion detection based on Saccharomyces cerevisiae .

HY-D0221

2,4,6-Tri-2-pyridinyl-1,3,5-triazine NSC 112125; 2,4,6-Tipyidyl-s-tiazie	MOFs Fluorescent Dye	Others
2,4,6-Tri-2-pyridinyl-1,3,5-triazine (NSC 112125) is a colorimetric reagent for detecting iron. 2,4,6-Tri-2-pyridinyl-1,3,5-triazine forms a complex with Fe (II) and can be quantified as a measure of iron concentration by colorimetric detection at 594 nm .

HY-W011654

4-Aminophenyl-β-D-galactopyranoside, 98% 4-Aminophenyl-beta-D-galactopyranoside, 98%	Glycosidase	Inflammation/Immunology Cancer
4-Aminophenyl-β-D-galactopyranoside, 98% is a highly efficient substrate for β-galactosidase. It is specifically hydrolyzed by this enzyme to release galactose and electroactive p-aminophenol. 4-Aminophenyl-β-D-galactopyranoside, 98% is widely used in colorimetric and electrochemical assays for detecting β-galactosidase activity and determining enzyme kinetics, such as in biosensing fields including cellular senescence, pathogen and contaminant detection. In addition, since β-galactosidase is often overexpressed in primary ovarian cancer, 4-Aminophenyl-β-D-galactopyranoside, 98% can also be applied to related research on primary ovarian cancer .

HY-W110793

Dithizone Diphenylthiocarbazone	Biochemical Assay Reagents	Metabolic Disease
Dithizone can be toxic to pancreatic islet cells and cause experimental diabetes. Dithizone can be used for in vitro in vivo staining of transplanted islets and cytoplasmic granules of bone marrow cells. Dithizone can be used as a chelating agent and colorimetric indicator for the detection and extraction of various heavy metals, including lead and mercury, in analytical and biochemical applications. Dithizone forms stable colored complexes with metal ions and can be quantitatively analyzed by methods such as spectrophotometry .

HY-D0813

Zincon sodium	Fluorescent Dye	Others
Zincon sodium is an excellent colorimetric reagent for the detection of zinc and copper ions in aqueous solution. Zincon sodium can be used for the determination of zinc, copper, and cobalt ions in metalloproteins .

HY-W009454

Potassium p-nitrophenyl sulfate 4-Nitopheyl Sulfate potassium	Fluorescent Dye	Others
Potassium p-nitrophenyl sulfate (4-Nitophenyl Sulfate potassium) serves as a chromogenic substrate for arylsulfatases. Potassium p-nitrophenyl sulfate releases nitrophenol under the cleavage action of arylsulfatases, and the activity of arylsulfatases can be quantitatively determined via colorimetric detection at 400 nm. Potassium p-nitrophenyl sulfate is commonly used in enzyme inhibition assays and metabolite analog-related studies .

HY-W127790

Bathophenanthrolinedisulfonic acid disodium	Biochemical Assay Reagents	Others
Bathophenanthrolinedisulfonic acid disodium salt (BPS) is a colorimetric reagent for iron detection, with a wavelength of 535 nm for iron complex. It can be used for iron determination in aqueous solution systems without the need for extraction solvents. BPS can serve as a precursor to prepare Europium(III) tris(dibenzoylmethanate) bis(bathophenanthrolinedisulfonate) complex and ruthenium(II) tris(bathophenanthrolinedisulfonate), or participate in the catalytic oxidation of 2-hexanol by forming water-soluble complexes with palladium .

HY-121694

CENTA	Beta-lactamase	Infection
CENTA is a colorimetric cephalosporin substrate for β-lactamases. Upon hydrolysis by β-lacatamases, CENTA turns from light yellow to chrome yellow, which can be quantified by colorimetric detection at 405 nm as a measure of β-lactamase activity.

HY-120833

Ac-Ile-Glu-Thr-Asp-pNA	Caspase	Others
Ac-Ile-Glu-Thr-Asp-pNA is a substrate for caspase-8. Caspase-8 binds to and cleaves the Ile-Glu-Thr-Asp (IETD) peptide sequence to release p-nitroalinide, which can be quantified by colorimetric detection at 405 nm as a measure of enzyme activity .

HY-W009311

Thiomichler's ketone 4,4'-Bis(dimethylamino)thiobenzophenone	Biochemical Assay Reagents	Others
Thiomichler's ketone (4,4'-Bis (dimethylamino) thiobenzophenone) is a heavy metal complexing agent and a colorimetric/spectrophotometric reagent. Thiomichler's ketone shows selectivity for Hg ²⁺ at pH 3, and exhibits activity towards Pd ²⁺ and Ag ⁺ at pH 3.5. Thiomichler's ketone enables accurate detection of trace Pd ²⁺ by forming an extractable Hg ²⁺ complex via micelle-mediated cloud point extraction, or generating a red coordination complex including Pd (TMK)₄. Thiomichler's ketone is applicable for the determination of trace Pd ²⁺ in antibiotics and catalysts of automobile exhaust purifiers .

HY-15926S

ONPG-13C 2-Nitrophenyl β-D-galactopyranoside-¹³C	Isotope-Labeled Compounds	Others
ONPG- ¹³C is the ¹³C labeled ONPG. ONPG is a colorimetric and spectrophotometric substrate for detection of β-galactosidase activit .

HY-W011422

2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone NSC 528	Fluorescent Dye	Others
2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone (NSC 528) is a colorimetric dye used for the detection of phenolic compounds. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone reacts with phenolic compounds at a pH of about 9.4 to produce an indigo dye. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone has been used as a Gibbs reagent for the colorimetric detection of phenolic compounds. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone has also been used in a colorimetric reaction for the quantitative colorimetric detection of aflatoxins, turning the colorless aflatoxins green with an absorption band at 673 nm.

HY-W009458

3-Indoxyl phosphate sodium 3-IP sodium	Phosphatase	Metabolic Disease
3-Indoxyl phosphate (3-IP) is a chromogenic and electrochemical substrate for alkaline phosphatase. Upon enzymatic cleavage by alkaline phosphatase, 3-indoxyl is released and subsequently oxidized to produce water-insoluble indigo, which can be quantified by colorimetric detection at 660 nm as a measure of alkaline phosphatase activity. 3-Indoxyl phosphate can also be converted to water-soluble leucoindigo by reduction of indigo in alkaline solution by sodium dithionite, which can be quantified by colorimetric detection at 415 nm or voltametric detection as a measure of alkaline phosphatase activity.2 3-Indoxyl phosphate has been used in ELISAs.

HY-D2969

CYDA	Fluorescent Dye	Metabolic Disease
CYDA is a colorimetric probe based on cyanine dyes, which enables highly sensitive and selective detection of Cu²⁺. CYDA can be used for urine copper detection in Wilson's disease .

HY-D3244

RDDB	Fluorescent Dye	Others
RDDB is a rhodamine-based turn-on fluorescent and colorimetric chemosensor selective for Mn ²⁺, with a limit of detection of 5×10 ^-8 M (excitation wavelength: 480-550 nm; fluorescence signal collection range: >590 nm). In the presence of Mn ²⁺, RDDB undergoes a spirolactam ring-opening reaction of its rhodamine hydrazide moiety, resulting in turn-on fluorescence and a color change. RDDB can be used for intracellular Mn ²⁺ imaging .

Cat. No.	Product Name	Type

HY-77962

2-Thiobarbituric acid	Fluorescent Dyes
2-Thiobarbituric acid is a commonly used colorimetric reagent for the detection of malondialdehyde (MDA), a marker of lipid peroxidation. 2-Thiobarbituric acid forms a complex with MDA that can be quantified by colorimetric detection at 532 nm as a measure of lipid peroxidation .

HY-15909

BCIP BCIP p-toluidine salt; X-phosphate p-toluidine salt	Fluorescent Dyes
BCIP(BCIP p-toluidine salt; X-phosphate p-toluidine salt) is an artificial chromogenic substrate used for the sensitive colorimetric detection of alkaline phosphatase activity .

HY-W013168

4-Nitrophenyl palmitate 4-Nitrophenyl hexadecanoate; p-Nitrophenyl Palmitate; pNpp	Fluorescent Dyes
4-Nitrophenyl palmitate (4-Nitrophenyl hexadecanoate) is a chromogenic substrate for lipases and esterases. Upon enzymatic hydrolysis, 4-Nitrophenyl palmitate releases p-nitrophenol, which can be quantified by colorimetric detection at 410 nm as a measure of enzymatic activity. 4-Nitrophenyl palmitate is used to characterize the activity of various bacterial and mammalian enzymes, including those from Burkholderia and porcine pancreatic lipase .

4-Nitrophenyl palmitate

4-Nitrophenyl hexadecanoate; p-Nitrophenyl Palmitate; pNpp

Fluorescent Dyes

4-Nitrophenyl palmitate (4-Nitrophenyl hexadecanoate) is a chromogenic substrate for lipases and esterases. Upon enzymatic hydrolysis, 4-Nitrophenyl palmitate releases p-nitrophenol, which can be quantified by colorimetric detection at 410 nm as a measure of enzymatic activity. 4-Nitrophenyl palmitate is used to characterize the activity of various bacterial and mammalian enzymes, including those from Burkholderia and porcine pancreatic lipase .

HY-D0221

2,4,6-Tri-2-pyridinyl-1,3,5-triazine NSC 112125; 2,4,6-Tipyidyl-s-tiazie	Fluorescent Dyes
2,4,6-Tri-2-pyridinyl-1,3,5-triazine (NSC 112125) is a colorimetric reagent for detecting iron. 2,4,6-Tri-2-pyridinyl-1,3,5-triazine forms a complex with Fe (II) and can be quantified as a measure of iron concentration by colorimetric detection at 594 nm .

HY-D0813

Zincon sodium	Fluorescent Dyes
Zincon sodium is an excellent colorimetric reagent for the detection of zinc and copper ions in aqueous solution. Zincon sodium can be used for the determination of zinc, copper, and cobalt ions in metalloproteins .

HY-121694

CENTA	Fluorescent Dyes
CENTA is a colorimetric cephalosporin substrate for β-lactamases. Upon hydrolysis by β-lacatamases, CENTA turns from light yellow to chrome yellow, which can be quantified by colorimetric detection at 405 nm as a measure of β-lactamase activity.

HY-W011422

2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone NSC 528	Fluorescent Dyes
2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone (NSC 528) is a colorimetric dye used for the detection of phenolic compounds. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone reacts with phenolic compounds at a pH of about 9.4 to produce an indigo dye. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone has been used as a Gibbs reagent for the colorimetric detection of phenolic compounds. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone has also been used in a colorimetric reaction for the quantitative colorimetric detection of aflatoxins, turning the colorless aflatoxins green with an absorption band at 673 nm.

2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone

NSC 528

Fluorescent Dyes

2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone (NSC 528) is a colorimetric dye used for the detection of phenolic compounds. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone reacts with phenolic compounds at a pH of about 9.4 to produce an indigo dye. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone has been used as a Gibbs reagent for the colorimetric detection of phenolic compounds. 2,6-Dibromo-4-(chloroimino)cyclohexa-2,5-dienone has also been used in a colorimetric reaction for the quantitative colorimetric detection of aflatoxins, turning the colorless aflatoxins green with an absorption band at 673 nm.

HY-W009458

3-Indoxyl phosphate sodium 3-IP sodium	Fluorescent Dyes
3-Indoxyl phosphate (3-IP) is a chromogenic and electrochemical substrate for alkaline phosphatase. Upon enzymatic cleavage by alkaline phosphatase, 3-indoxyl is released and subsequently oxidized to produce water-insoluble indigo, which can be quantified by colorimetric detection at 660 nm as a measure of alkaline phosphatase activity. 3-Indoxyl phosphate can also be converted to water-soluble leucoindigo by reduction of indigo in alkaline solution by sodium dithionite, which can be quantified by colorimetric detection at 415 nm or voltametric detection as a measure of alkaline phosphatase activity.2 3-Indoxyl phosphate has been used in ELISAs.

3-Indoxyl phosphate sodium

3-IP sodium

Fluorescent Dyes

3-Indoxyl phosphate (3-IP) is a chromogenic and electrochemical substrate for alkaline phosphatase. Upon enzymatic cleavage by alkaline phosphatase, 3-indoxyl is released and subsequently oxidized to produce water-insoluble indigo, which can be quantified by colorimetric detection at 660 nm as a measure of alkaline phosphatase activity. 3-Indoxyl phosphate can also be converted to water-soluble leucoindigo by reduction of indigo in alkaline solution by sodium dithionite, which can be quantified by colorimetric detection at 415 nm or voltametric detection as a measure of alkaline phosphatase activity.2 3-Indoxyl phosphate has been used in ELISAs.

HY-D2969

CYDA	Fluorescent Dyes
CYDA is a colorimetric probe based on cyanine dyes, which enables highly sensitive and selective detection of Cu²⁺. CYDA can be used for urine copper detection in Wilson's disease .

HY-D3244

RDDB	Fluorescent Dyes
RDDB is a rhodamine-based turn-on fluorescent and colorimetric chemosensor selective for Mn ²⁺, with a limit of detection of 5×10 ^-8 M (excitation wavelength: 480-550 nm; fluorescence signal collection range: >590 nm). In the presence of Mn ²⁺, RDDB undergoes a spirolactam ring-opening reaction of its rhodamine hydrazide moiety, resulting in turn-on fluorescence and a color change. RDDB can be used for intracellular Mn ²⁺ imaging .

RDDB

Fluorescent Dyes

RDDB is a rhodamine-based turn-on fluorescent and colorimetric chemosensor selective for Mn ²⁺, with a limit of detection of 5×10 ^-8 M (excitation wavelength: 480-550 nm; fluorescence signal collection range: >590 nm). In the presence of Mn ²⁺, RDDB undergoes a spirolactam ring-opening reaction of its rhodamine hydrazide moiety, resulting in turn-on fluorescence and a color change. RDDB can be used for intracellular Mn ²⁺ imaging .

Cat. No.	Product Name	Type

HY-15926

ONPG 5+ Cited Publications 2-Nitrophenyl β-D-galactopyranoside	Biochemical Assay Reagents
ONPG is a colorimetric and spectrophotometric substrate for detection of β-galactosidase activity.

HY-W129633

2,6-Dichlorophenolindophenol sodium hydrate 1 Publications Verification DCIP sodium hydrate; DPIP sodium hydrate	Biochemical Assay Reagents
2,6-Dichlorophenolindophenol (DCIP; DPIP) sodium hydrate is a redox chromogenic indicator with a redox potential of +217 mV relative to SHE, and it acts as a substrate for reduction reactions. During the metabolic process of nutrient consumption by Saccharomyces cerevisiae, 2,6-Dichlorophenolindophenol sodium hydrate is reduced from dark blue to colorless, resulting in a decrease in absorbance. 2,6-Dichlorophenolindophenol sodium hydrate is widely used in spectrophotometric biochemical oxygen demand determination and preclinical colorimetric toxicity analysis for heavy metal ion detection based on Saccharomyces cerevisiae .

2,6-Dichlorophenolindophenol sodium hydrate

1 Publications Verification

DCIP sodium hydrate; DPIP sodium hydrate

Biochemical Assay Reagents

2,6-Dichlorophenolindophenol (DCIP; DPIP) sodium hydrate is a redox chromogenic indicator with a redox potential of +217 mV relative to SHE, and it acts as a substrate for reduction reactions. During the metabolic process of nutrient consumption by Saccharomyces cerevisiae, 2,6-Dichlorophenolindophenol sodium hydrate is reduced from dark blue to colorless, resulting in a decrease in absorbance. 2,6-Dichlorophenolindophenol sodium hydrate is widely used in spectrophotometric biochemical oxygen demand determination and preclinical colorimetric toxicity analysis for heavy metal ion detection based on Saccharomyces cerevisiae .

HY-W011654

4-Aminophenyl-β-D-galactopyranoside, 98% 4-Aminophenyl-beta-D-galactopyranoside, 98%	Biochemical Assay Reagents
4-Aminophenyl-β-D-galactopyranoside, 98% is a highly efficient substrate for β-galactosidase. It is specifically hydrolyzed by this enzyme to release galactose and electroactive p-aminophenol. 4-Aminophenyl-β-D-galactopyranoside, 98% is widely used in colorimetric and electrochemical assays for detecting β-galactosidase activity and determining enzyme kinetics, such as in biosensing fields including cellular senescence, pathogen and contaminant detection. In addition, since β-galactosidase is often overexpressed in primary ovarian cancer, 4-Aminophenyl-β-D-galactopyranoside, 98% can also be applied to related research on primary ovarian cancer .

4-Aminophenyl-β-D-galactopyranoside, 98%

4-Aminophenyl-beta-D-galactopyranoside, 98%

Biochemical Assay Reagents

4-Aminophenyl-β-D-galactopyranoside, 98% is a highly efficient substrate for β-galactosidase. It is specifically hydrolyzed by this enzyme to release galactose and electroactive p-aminophenol. 4-Aminophenyl-β-D-galactopyranoside, 98% is widely used in colorimetric and electrochemical assays for detecting β-galactosidase activity and determining enzyme kinetics, such as in biosensing fields including cellular senescence, pathogen and contaminant detection. In addition, since β-galactosidase is often overexpressed in primary ovarian cancer, 4-Aminophenyl-β-D-galactopyranoside, 98% can also be applied to related research on primary ovarian cancer .

HY-W110793

Dithizone Diphenylthiocarbazone	Biochemical Assay Reagents
Dithizone can be toxic to pancreatic islet cells and cause experimental diabetes. Dithizone can be used for in vitro in vivo staining of transplanted islets and cytoplasmic granules of bone marrow cells. Dithizone can be used as a chelating agent and colorimetric indicator for the detection and extraction of various heavy metals, including lead and mercury, in analytical and biochemical applications. Dithizone forms stable colored complexes with metal ions and can be quantitatively analyzed by methods such as spectrophotometry .

Dithizone

Diphenylthiocarbazone

Biochemical Assay Reagents

Dithizone can be toxic to pancreatic islet cells and cause experimental diabetes. Dithizone can be used for in vitro in vivo staining of transplanted islets and cytoplasmic granules of bone marrow cells. Dithizone can be used as a chelating agent and colorimetric indicator for the detection and extraction of various heavy metals, including lead and mercury, in analytical and biochemical applications. Dithizone forms stable colored complexes with metal ions and can be quantitatively analyzed by methods such as spectrophotometry .

HY-W127790

Bathophenanthrolinedisulfonic acid disodium	Biochemical Assay Reagents
Bathophenanthrolinedisulfonic acid disodium salt (BPS) is a colorimetric reagent for iron detection, with a wavelength of 535 nm for iron complex. It can be used for iron determination in aqueous solution systems without the need for extraction solvents. BPS can serve as a precursor to prepare Europium(III) tris(dibenzoylmethanate) bis(bathophenanthrolinedisulfonate) complex and ruthenium(II) tris(bathophenanthrolinedisulfonate), or participate in the catalytic oxidation of 2-hexanol by forming water-soluble complexes with palladium .

Bathophenanthrolinedisulfonic acid disodium

Biochemical Assay Reagents

Bathophenanthrolinedisulfonic acid disodium salt (BPS) is a colorimetric reagent for iron detection, with a wavelength of 535 nm for iron complex. It can be used for iron determination in aqueous solution systems without the need for extraction solvents. BPS can serve as a precursor to prepare Europium(III) tris(dibenzoylmethanate) bis(bathophenanthrolinedisulfonate) complex and ruthenium(II) tris(bathophenanthrolinedisulfonate), or participate in the catalytic oxidation of 2-hexanol by forming water-soluble complexes with palladium .

HY-W009311

Thiomichler's ketone 4,4'-Bis(dimethylamino)thiobenzophenone	Biochemical Assay Reagents
Thiomichler's ketone (4,4'-Bis (dimethylamino) thiobenzophenone) is a heavy metal complexing agent and a colorimetric/spectrophotometric reagent. Thiomichler's ketone shows selectivity for Hg ²⁺ at pH 3, and exhibits activity towards Pd ²⁺ and Ag ⁺ at pH 3.5. Thiomichler's ketone enables accurate detection of trace Pd ²⁺ by forming an extractable Hg ²⁺ complex via micelle-mediated cloud point extraction, or generating a red coordination complex including Pd (TMK)₄. Thiomichler's ketone is applicable for the determination of trace Pd ²⁺ in antibiotics and catalysts of automobile exhaust purifiers .

Thiomichler's ketone

4,4'-Bis(dimethylamino)thiobenzophenone

Biochemical Assay Reagents

Thiomichler's ketone (4,4'-Bis (dimethylamino) thiobenzophenone) is a heavy metal complexing agent and a colorimetric/spectrophotometric reagent. Thiomichler's ketone shows selectivity for Hg ²⁺ at pH 3, and exhibits activity towards Pd ²⁺ and Ag ⁺ at pH 3.5. Thiomichler's ketone enables accurate detection of trace Pd ²⁺ by forming an extractable Hg ²⁺ complex via micelle-mediated cloud point extraction, or generating a red coordination complex including Pd (TMK)₄. Thiomichler's ketone is applicable for the determination of trace Pd ²⁺ in antibiotics and catalysts of automobile exhaust purifiers .

Cat. No.	Product Name	Target	Research Area

HY-P5348

Ac-LEHD-pNA	Peptides	Others
Ac-LEHD-pNA is a biological active peptide. (Caspase-9 substrate; pNA (4-nitroaniline)-derived caspase substrates are widely used for the colorimetric detection of various caspase activities. Cleavage of pNA peptides by caspases generates pNA that is monitored colorimetrically at ~405 nm. pNA has maximum absorption around 408 nm.)

HY-120833

Ac-Ile-Glu-Thr-Asp-pNA	Caspase	Others
Ac-Ile-Glu-Thr-Asp-pNA is a substrate for caspase-8. Caspase-8 binds to and cleaves the Ile-Glu-Thr-Asp (IETD) peptide sequence to release p-nitroalinide, which can be quantified by colorimetric detection at 405 nm as a measure of enzyme activity .

ONPG-13C
ONPG- ¹³C is the ¹³C labeled ONPG. ONPG is a colorimetric and spectrophotometric substrate for detection of β-galactosidase activit .

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