pemetrexed

Drug ingredient

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 137281-23-3

Where It Comes From

5 FDA-registered drug labelers
Avyxa Pharma, LLC
Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
MSN Laboratories Private Limited
ScinoPharm Taiwan Ltd.
Teva Czech Industries s.r.o

Why It Matters

Sectors
Health
Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

  • Axtle
  • Pemetrexed Dipotassium
FDA Shortage Status
No Shortage
Shortage History
to be discontinued

Pemetrexed Disodium Injection

10/10/2025

to be discontinued

Pemetrexed Ditromethamine Injection

07/17/2025

to be discontinued

Pemetrexed Disodium Injection

10/16/2025

Chemical Identity

CAS137281-23-3
PubChem CID135410875
DTXSIDDTXSID2048329
FormulaC20H21N5O6
Mol. Weight427.4 g/mol
SMILESC1=CC(=CC=C1CCC2=CNC3=C2C(=O)NC(=N3)N)C(=O)NC(CCC(=O)O)C(=O)O

Data Sources

1354108752026-04-07

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/pemetrexed/cids/JSON

Archive: data/sources/pubchem_name/pemetrexed.json

CAS 137281-23-32026-04-25

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json

CAS 137281-23-32026-06-13

https://api.fda.gov/drug/shortages.json

Archive: data/sources/fda/shortages/shortages.json