(2R,5S)-5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester

(2R,5S)-5-(4-氨基-5-氟-2-氧代-1(2H)-嘧啶基)-1,3-氧硫杂环戊烷-2-羧酸(1R,2S,5R)-5-甲基-2-(1-甲基乙基)环己酯

Also known as: Emtricitabine Menthyl Ester, (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate, (2R,5S)-(1R,2S,5R)-2-Isopropyl-5-Methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate, [(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl] 5-(4-amino-5-fluoro-2-oxopyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate

(2R,5S)-5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester (CAS 764659-72-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H26FN3O4S and a molecular weight of 399.480 g/mol. It is also known as Emtricitabine Menthyl Ester, (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate and (2R,5S)-(1R,2S,5R)-2-Isopropyl-5-Methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate. Key properties include a boiling point of 508.5±60.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 261.3±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

764659-72-5

Jingsj CID

J-941537-9

Molecular Formula

C₁₈H₂₆FN₃O₄S

Chinese Name

(2R,5S)-5-(4-氨基-5-氟-2-氧代-1(2H)-嘧啶基)-1,3-氧硫杂环戊烷-2-羧酸(1R,2S,5R)-5-甲基-2-(1-甲基乙基)环己酯

Molecular Weight

399.480 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026