Methionine
Overview
Methionine is an essential amino acid used in the biosynthesis of proteins. It plays a crucial role in various cellular functions, including methylation and sulfur metabolism.
API suppliers (9)
Suppliers of Methionine evidenced by a US FDA Type II Drug Master File or an EU Certificate of Suitability (CEP). Sources: FDA DMF list, EDQM certification database.
Country recorded for 2 of 9 suppliers.
1 of 9 holds a GMP certificate on record in the EU or UK registers
- EVONIK REXIM NANNING PHARMACEUTICAL CO LTD1 active DMF
- SHIJIAZHUANG JIRONG PHARMACEUTICAL CO LTD1 active DMF
- STHREE CHEMICALS PRIVATE LTD1 active DMF
- AMINO GMBHGermany1 active DMF GMP on record
- SEKISUI MEDICAL CO LTDJapan1 active DMF
- SIGMA CHEMICAL CO
- DEGUSSA AG WERK RADEBEUL
- GREAT LAKES CHEMICAL KONSTANZ GMBH
- TANABE SEIYAKU CO LTD
EU CEP holders (2)
Companies holding a valid EU Certificate of Suitability (CEP) for Methionine, from the EDQM certification database. A CEP holder is a documented EU-market source of the substance — not necessarily the manufacturer — and these are not yet profiled in our directory.
Chemical identity
- IUPAC name
- (2S)-2-amino-4-methylsulfanylbutanoic acid
- Canonical SMILES
- CSCC[C@@H](C(=O)O)N
- InChIKey
- FFEARJCKVFRZRR-BYPYZUCNSA-N
Therapeutic areas
Do you supply Methionine? Get in front of buyers actively sourcing it.
We route real sourcing requests from pharma buyers to vetted, verified partners — qualified leads, not just a listing. Tell us what you make and we'll be in touch about becoming a Verified Supplier Partner.
Ready to Accelerate Your
Discovery Workflow?
Find, vet, and source drug-manufacturing partners faster — with FDA compliance screening built in. Start free for 7 days.