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Methotrexate alpha-Methyl Ester

Also known as: Methotrexate 1-methyl ester, Methotrexate EP Impurity I, Methotrexate related compound I, Methotrexate α-Methyl Ester, Methotrexate specified impurity I [EP], UNII-5NL2U9S7K1, (4S)-4-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl]amino]-5-methoxy-5-oxopentanoic acid, L-Glutamic acid,N-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-,1-methyl ester, JYFDQHNTJJOKAS-AWEZNQCLSA-N

Methotrexate alpha-Methyl Ester (CAS 66147-29-3) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C21H24N8O5 and a molecular weight of 468.46600 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66147-29-3
Jingsj CID
J-1168934-2
Molecular Formula
C21H24N8O5
Molecular Weight
468.46600 g/mol
Category
Esters
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass468.18700
PSA200.27000
LogP1.25900

Frequently Asked Questions

What is the CAS number of Methotrexate alpha-Methyl Ester?

The CAS number of Methotrexate alpha-Methyl Ester is 66147-29-3.

What are the molecular formula and molecular weight of Methotrexate alpha-Methyl Ester?

Methotrexate alpha-Methyl Ester has molecular formula C21H24N8O5 and molecular weight 468.46600 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Methotrexate alpha-Methyl Ester (CAS 66147-29-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1168934-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.