DL-selenomethionine (CAS 1464-42-2) Sigma-Aldrich

DL-selenomethionine molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of DL-selenomethionine (CAS 1464-42-2). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	1464-42-2
Molecular formula	C5H11NO2Se
Molecular weight	196.12 g/mol
IUPAC name	2-amino-4-methylselanylbutanoic acid
Synonyms	Selenomethionine · Seleno-DL-methionine · Butanoic acid, 2-amino-4-(methylseleno)- · Methionine, seleno · Butyric acid, 2-amino-4-(methylselenyl)- · J9V40V4PKZ

Safety & Hazards (GHS) Danger

Acute toxic

Health hazard

Environmental hazard

H301 Toxic if swallowed
H331 Toxic if inhaled
H373 May causes damage to organs through prolonged or repeated exposure
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	SELENO-DL-METHIONINE	S3875-100MG S3875-1G S3875-500MG	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.