Efavirenz (CAS 154598-52-4) Sigma-Aldrich

Efavirenz molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of Efavirenz (CAS 154598-52-4). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	154598-52-4
Molecular formula	C14H9ClF3NO2
Molecular weight	315.67 g/mol
IUPAC name	(4S)-6-chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one
Synonyms	Sustiva · Stocrin · DMP-266 · Viraday · Efavirenz teva · Efavirenzum

Safety & Hazards (GHS) Warning

Irritant

Environmental hazard

H302 Harmful if swallowed
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	EFAVIRENZ	SML0536-10MG SML0536-50MG	Request Quote
Sigma	EFAVIRENZ, UNITED STATES PHARMACOPEIA (U	1234103-200MG	Request Quote

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