7-Hydroxymethotrexate
Based on 1 Customer Validation
7-Hydroxymethotrexate is a major metabolite of Methotrexate (HY-14519). Methotrexate, an antimetabolite and antifolate agent, inhibits the enzyme dihydrofolate reductase, thereby preventing the conversion of folic acid into tetrahydrofolate, and inhibiting DNA synthesis.
For research use only. We do not sell to patients.
- Purity: 98.14%
- CAS No.: 5939-37-7
- Formula: C20H22N8O6
- Molecular Weight:470.44
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
Biological Activity
7-Hydroxymethotrexate (7-OHMTX) has the affinity of DHFR markedly lower (>100-fold) than for Methotrexate (MTX) [1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Male Wistar rats (270-440 g)[1]
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Dosage:4 mg/kg (Pharmacokinetic Analysis)
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Administration:IV
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Result:Had a terminal half-life of 97.2 min and a total clearance value of 9.6 mL/min•mg.
Chemical Information
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CAS No. 5939-37-7
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Appearance Solid
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Molecular Weight 470.44
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Formula C20H22N8O6
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Color Light yellow to yellow
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SMILES
O=C(O)CC[C@@H](C(O)=O)NC(C1=CC=C(N(CC2=NC3=C(N)N=C(N)N=C3NC2=O)C)C=C1)=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Purity & Documentation
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Data Sheet (269 KB)
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SDS (392 KB)
- English - EN (392 KB)
- Français - FR (392 KB)
- Deutsch - DE (392 KB)
- Norwegian - NO (392 KB)
- Español - ES (392 KB)
- Swedish - SV (392 KB)
- Italian - IT (392 KB)
- Korean - KR (392 KB)
- Portuguese - PT (392 KB)
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Handling Instructions (2659 KB)
References
[1]. L Fahrig, et al. Pharmacokinetics of methotrexate (MTX) and 7-hydroxymethotrexate (7-OH-MTX) in rats and evidence for the metabolism of MTX to 7-OH-MTX. Cancer Chemother Pharmacol. 1989;23(3):156-60. [Content Brief]
[2]. Ping Guo, et al. Determination of methotrexate and its major metabolite 7-hydroxymethotrexate in mouse plasma and brain tissue by liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal. 2007 Apr 11;43(5):1789-95. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)