Methotrexate
甲氨蝶呤
Also known as: Amethopterin, MTX, 4-Amino-10-methylfolic acid, 4-Amino-N10-methylpteroylglutamic acid, L-Amethopterin, N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-L-glutamic acid, (+)-Amethopterin, 4-Amino-4-deoxy-10-methylpteroyl-L-glutamic acid, L-(+)-N-[p-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino]benzoyl]glutamic Acid, Mexate
Methotrexate (CAS 59-05-2) 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 Amethopterin, MTX and 4-Amino-10-methylfolic acid. Key properties include a melting point of 195°C, a boiling point of 561.26°C, a density of 1.4080 and a flash point of 11℃. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 59-05-2
- Jingsj CID
- J-1014813-8
- Molecular Formula
- C20H22N8O5
- Chinese Name
- 甲氨蝶呤
- 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 | 195°C |
|---|---|
| Boiling Point | 561.26°C |
| Density | 1.4080 |
| Flash Point | 11℃ |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Methotrexate?
The CAS number of Methotrexate is 59-05-2.
What are the molecular formula and molecular weight of Methotrexate?
Methotrexate has molecular formula C20H22N8O5 and molecular weight 454.439 g/mol.
Is Methotrexate hazardous?
Methotrexate has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methotrexate (CAS 59-05-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1014813-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.