D(-)-Amethopterin
D(-)-氨甲蝶呤
Also known as: R-Methotrexate, D-Amethopterin, D-Methotrexate, (-)-Amethopterin, D-(-)-Amethopterin, D-(-)-Amethopterin Hydrate, Methotrexate Impurity 6, Methotrexate EP Impurity F, D(-)-4-Amino-N10-methylpteroylglutamic acid, UNII:99ITO15X8S, Einecs 257-482-2, N-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-D-glutamic acid
D(-)-Amethopterin (CAS 51865-79-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H22N8O5 and a molecular weight of 454.439 g/mol. It is also known as R-Methotrexate, D-Amethopterin and D-Methotrexate. Key properties include a melting point of 195ºC and a density of 1.537g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51865-79-3
- Jingsj CID
- J-1398114-7
- Molecular Formula
- C20H22N8O5
- Chinese Name
- D(-)-氨甲蝶呤
- Molecular Weight
- 454.439 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 195ºC |
|---|---|
| Density | 1.537g/cm3 |
Frequently Asked Questions
What is the CAS number of D(-)-Amethopterin?
The CAS number of D(-)-Amethopterin is 51865-79-3.
What are the molecular formula and molecular weight of D(-)-Amethopterin?
D(-)-Amethopterin has molecular formula C20H22N8O5 and molecular weight 454.439 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "D(-)-Amethopterin (CAS 51865-79-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1398114-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.