Pemetrexed dimethyl ester

Also known as: N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid 1,5-dimethyl ester, dimethyl (2S)-2-[[4-[2-(2-amino-4-oxo-1,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioate, Pemetrexed methyl ester, L-Glutamic acid, N-[4-[2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-, dimethyl ester

Pemetrexed dimethyl ester (CAS 155405-81-5) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C22H25N5O6 and a molecular weight of 455.464 g/mol. Key property: a density of 1.4±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 155405-81-5
Jingsj CID: J-1040016-2
Molecular Formula: C₂₂H₂₅N₅O₆
Molecular Weight: 455.464 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.4±0.1 g/cm3
Exact Mass	455.180481
PSA	170.25000
LogP	1.00
Refractive Index	1.655

Frequently Asked Questions

What is the CAS number of Pemetrexed dimethyl ester?

The CAS number of Pemetrexed dimethyl ester is 155405-81-5.

What are the molecular formula and molecular weight of Pemetrexed dimethyl ester?

Pemetrexed dimethyl ester has molecular formula C22H25N5O6 and molecular weight 455.464 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Pemetrexed dimethyl ester (CAS 155405-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1040016-2 (accessed 2026-11-06).

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