(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
5-(4-氨基-5-氟-2-氧代-1(2H)-嘧啶)-1,3-氧硫杂环戊烷-2-甲酸 5-甲基-2-异丙基环己醇酯
Also known as: (2S,5R)-5-Fluoro cytosine-1-yl-[1,3]-oxathiolane-2-carboxylic acid menthyl ester, (2S,5R)-5-Fluoro cytosine-1-yl-[1,3]-oxathiolane-2-carboxylic acid menthyl ester (FCME), Emtricitabine Impurity 23, [1R-[1(2S*,5R*),2beta,5alpha]]-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid 5-methyl-2-(1-methylethyl)cyclohexyl ester, 5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid 5-methyl-2-(1-methylethyl)cyclohexyl ester, (1R,2S,5R)-Menthyl-5(S)-fluorocytosine-1-yl-[1,3]-oxathiolane-2R-carboxylate
(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate (CAS 147126-75-8) 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 (2S,5R)-5-Fluoro cytosine-1-yl-[1,3]-oxathiolane-2-carboxylic acid menthyl ester, (2S,5R)-5-Fluoro cytosine-1-yl-[1,3]-oxathiolane-2-carboxylic acid menthyl ester (FCME) and Emtricitabine Impurity 23. 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.
- 147126-75-8
- Jingsj CID
- J-1029223-9
- Molecular Formula
- C18H26FN3O4S
- Chinese Name
- 5-(4-氨基-5-氟-2-氧代-1(2H)-嘧啶)-1,3-氧硫杂环戊烷-2-甲酸 5-甲基-2-异丙基环己醇酯
- Molecular Weight
- 399.480 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 508.5±60.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 261.3±32.9 °C |
Frequently Asked Questions
What is the CAS number of (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate?
The CAS number of (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate is 147126-75-8.
What are the molecular formula and molecular weight of (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate?
(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate has molecular formula C18H26FN3O4S and molecular weight 399.480 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate (CAS 147126-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1029223-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.