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Dihydrofolic acid

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By Targets:	Antibiotic (3) Antifolate (3) Bacterial (8) Dihydrofolate reductase (DHFR) (1) Drug Derivative (1) Drug Metabolite (1) Environmental Pollutants (1) Fungal (2) Isotope-Labeled Compounds (2) Reference Standards (2)
By Research Areas:	Cancer (2) Infection (8) Inflammation/Immunology (2)

Inhibitors & Agonists

Natural
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Isotope-Labeled Compounds

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-141619A

Cotrimoxazole (Trimethoprim/sulfamethoxazole 1:19) 2 Publications Verification	Bacterial	Infection
Cotrimoxazole (Trimethoprim/sulfamethoxazole 1:19), an antibacterial agent, is a Trimethoprim (HY-B0510) and Sulfamethoxazole (HY-B0322) mixture. The ratio of Trimethoprim to Sulfamethoxazole in the combination mixture is 1 : 19 .

HY-N7123

Sulfacetamide 3 Publications Verification Sulphacetamide	Environmental Pollutants Antibiotic Bacterial Fungal	Infection Inflammation/Immunology
Sulfacetamide (Sulphacetamide) is a sulfonamide antibiotic. Sulfacetamide has antifungal and antibacterial activities. Sulfacetamide is employed as a topical formulation in various ophthalmic, dermatological, and hair solutions against bacterial infections, acne and scalp conditions. Sulfacetamide targets bacterial folic acid synthesis and is effective against various gram-positive and gram-negative bacteria. Sulfacetamide inhibits the synthesis of both dihydro-folic acid and para-aminobenzoic acid. Sulfacetamide can be used for the study of ocular infections .

HY-137129

*10-Formyl-7,8-dihydrofolic* acid**	Dihydrofolate reductase (DHFR)	Cancer
10-Formyl-7,8-dihydrofolic acid is a biologically active folic acid and growth promoter. 10-Formyl-7,8-dihydrofolic acid serves as a substrate for aminoimidazolecarboxamide ribonucleotide transformylase and dihydrofolate reductase (DHFR) to support catalytic reactions (with detection wavelengths of 552 nm and 340 nm, respectively). 10-Formyl-7,8-dihydrofolic acid not only promotes the growth of leukemia cells, but also effectively reverses the growth inhibition induced by antifolate drugs under folate-deficient conditions. 10-Formyl-7,8-dihydrofolic acid can be used in the research of leukemia .

HY-139743

Aditoprime Aditoprim	Antifolate Bacterial	Infection
Aditoprime (Aditoprim) is a selective bacterial dihydrofolate reductase (DHFR) inhibitor with IC₅₀s of 47 and 520 nM for E.coli and L.casei DHFR, respectively. Aditoprime inhibits the transformation of dihydrofolic acid to tetrahydrofolic acid. Aditoprime has a broad-spectrum antibacterial activity and excellent pharmacokinetics .

HY-N7123R

Sulfacetamide (Standard) Sulphacetamide (Standard)	Reference Standards Antibiotic Bacterial Fungal	Infection Inflammation/Immunology
Sulfacetamide (Standard) (Sulphacetamide (Standard)) is the analytical standard of Sulfacetamide (HY-N7123). This product is intended for research and analytical applications. Sulfacetamide (Sulphacetamide) is a sulfonamide antibiotic. Sulfacetamide has antifungal and antibacterial activities. Sulfacetamide is employed as a topical formulation in various ophthalmic, dermatological, and hair solutions against bacterial infections, acne and scalp conditions. Sulfacetamide targets bacterial folic acid synthesis and is effective against various gram-positive and gram-negative bacteria. Sulfacetamide inhibits the synthesis of both dihydro-folic acid and para-aminobenzoic acid. Sulfacetamide can be used for the study of ocular infections .

HY-139743R

Aditoprime (Standard) Aditoprim (Standard)	Reference Standards Antifolate Bacterial	Infection
Aditoprime (Standard) is a selective bacterial dihydrofolate reductase (DHFR) inhibitor with IC₅₀s of 47 and 520 nM for E.coli and L.casei DHFR, respectively. Aditoprime inhibits the transformation of dihydrofolic acid to tetrahydrofolic acid. Aditoprime has a broad-spectrum antibacterial activity and excellent pharmacokinetics .

HY-177337

N-Didesmethyladitoprim N-Didesmethyl-ADP	Drug Metabolite Antifolate Bacterial	Infection
N-Didesmethyladitoprim is a metabolite of Aditoprime (HY-139743). Aditoprime is a selective bacterial dihydrofolate reductase (DHFR) inhibitor with IC₅₀s of 47 and 520 nM for E.coli and L.casei DHFR , respectively. Aditoprime inhibits the transformation of dihydrofolic acid to tetrahydrofolic acid. Aditoprime has a broad-spectrum antibacterial activity and excellent pharmacokinetics .

HY-B0512S

Sulfamerazine-d4 RP2632-d₄	Isotope-Labeled Compounds Bacterial	Infection
Sulfamerazine-d₄ is a deuterium labeled Sulfamerazine. Sulfamerazine, a sulfonamide antibacterial, inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes .

HY-B0512S1

Sulfamerazine-13C6 RP2632-¹³C₆	Isotope-Labeled Compounds Bacterial Antibiotic	Infection
Sulfamerazine- ¹³C₆ (RP2632- ¹³C₆) is ¹³C labeled Sulfamerazine (HY-B0512). Sulfamerazine (RP-2632) is a sulfonamide antibacterial. Sulfamerazine, the monomethyl derivative of sulfadiazine, is 2-sulfanilamido-4-methylpyrimidine. Sulfamerazine is a sulfonamide drug that inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes.

HY-121702

Dihydrohomofolic acid	Drug Derivative	Cancer
Dihydrohomofolic acid, an analog of dihydrofolic acid (H₂F), might be effective against tumor in which resistance to methotrexate (MTX) is associated with high leveIs of H₂F-reductase .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N7123

Sulfacetamide 3 Publications Verification Sulphacetamide	Infection Classification of Application Fields Disease Research Fields	Environmental Pollutants Antibiotic Bacterial Fungal
Sulfacetamide (Sulphacetamide) is a sulfonamide antibiotic. Sulfacetamide has antifungal and antibacterial activities. Sulfacetamide is employed as a topical formulation in various ophthalmic, dermatological, and hair solutions against bacterial infections, acne and scalp conditions. Sulfacetamide targets bacterial folic acid synthesis and is effective against various gram-positive and gram-negative bacteria. Sulfacetamide inhibits the synthesis of both dihydro-folic acid and para-aminobenzoic acid. Sulfacetamide can be used for the study of ocular infections .

HY-137129

*10-Formyl-7,8-dihydrofolic* acid**	Structural Classification Alkaloids Classification of Application Fields Other Alkaloids Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Dihydrofolate reductase (DHFR)
10-Formyl-7,8-dihydrofolic acid is a biologically active folic acid and growth promoter. 10-Formyl-7,8-dihydrofolic acid serves as a substrate for aminoimidazolecarboxamide ribonucleotide transformylase and dihydrofolate reductase (DHFR) to support catalytic reactions (with detection wavelengths of 552 nm and 340 nm, respectively). 10-Formyl-7,8-dihydrofolic acid not only promotes the growth of leukemia cells, but also effectively reverses the growth inhibition induced by antifolate drugs under folate-deficient conditions. 10-Formyl-7,8-dihydrofolic acid can be used in the research of leukemia .

Cat. No.	Product Name	Chemical Structure

HY-B0512S

Sulfamerazine-d4
Sulfamerazine-d₄ is a deuterium labeled Sulfamerazine. Sulfamerazine, a sulfonamide antibacterial, inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes .

HY-B0512S1

Sulfamerazine-13C6
Sulfamerazine- ¹³C₆ (RP2632- ¹³C₆) is ¹³C labeled Sulfamerazine (HY-B0512). Sulfamerazine (RP-2632) is a sulfonamide antibacterial. Sulfamerazine, the monomethyl derivative of sulfadiazine, is 2-sulfanilamido-4-methylpyrimidine. Sulfamerazine is a sulfonamide drug that inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes.

Sulfamerazine-13C6

Sulfamerazine- ¹³C₆ (RP2632- ¹³C₆) is ¹³C labeled Sulfamerazine (HY-B0512). Sulfamerazine (RP-2632) is a sulfonamide antibacterial. Sulfamerazine, the monomethyl derivative of sulfadiazine, is 2-sulfanilamido-4-methylpyrimidine. Sulfamerazine is a sulfonamide drug that inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes.

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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Dihydrofolic acid

Inhibitors & Agonists

NaturalProducts

Isotope-Labeled Compounds

Natural
Products