ent-Lamivudine (1S,2R,5S)-5-Methyl-2-isopropylcyclohexyl Ester CAS 147126-74-7
| CAS No. | 147126-74-7 |
| Molecular Formula | C18H27N3O4S |
| Molecular Weight | 381.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, ent-Lamivudine (1S,2R,5S)-5-Methyl-2-isopropylcyclohexyl Ester is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 381.49 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
ent-Lamivudine (1S,2R,5S)-5-Methyl-2-isopropylcyclohexyl Ester (CAS 147126-74-7) is a high-purity analytical reference standard with the molecular formula C18H27N3O4S and a molecular weight of 381.49 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures ent-Lamivudine (1S,2R,5S)-5-Methyl-2-isopropylcyclohexyl Ester under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H27N3O4S |
| Molecular Weight | 381.49 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related ent Standards
- Lamivudine Impurity 45 (CAS CATO-C4X-119445)
- Lamivudine Impurity 34 (CAS 389128-28-3)
- Lamivudine EP Impurity (CAS CATO-C4X-119416)
- Lamivudine Impurity 28 (CAS 1020151-61-4)
- Lamivudine Dimer (CAS CATO-C4X-119417)
- Lamivudine Impurity 23 (CAS CATO-C4X-119423)
- Lamivudine Impurity 11 (CAS 200396-19-6)
- Lamivudine Sulfone (CAS 2250242-24-9)
Recommended Standards
- (2R,5S)-Lamivudine Impurity 33 (CAS 147027-10-9)
- (1S,2R,5S)-Lamivudine Impurity 36 (CAS 147126-72-5)
- (2S,5R)-Lamivudine Impurity 27 (CAS 200396-21-0)
- (2R,5R)-Lamivudine Impurity 37 (CAS 147126-80-5)
- 1315329-43-1 (E)-N-(4-((4-Ethylpiperazin-1-yl)methyl)-3-(trifluoromethyl)phenyl)-3-(2-(4-methoxy-1H-pyrrolo[2,3-b]pyridin-5-yl)vinyl)-4-methylbenzamide MFCD28167804 HG6-64-1 (CAS 1315329-43-1)
- 3-(3,5-Dimethylisoxazol-4-yl)propanenitrile (CAS 116422-98-1)
- 5-ACetyl-2-acetylamino-4-methyl-thiophene-3-carboxylic acid methyl ester (CAS 4651-88-1)
- 4-Chloro-2-(pentylthio)pyridine (CAS 1346707-29-6)
- 2-[(2,6-Dichlorobenzyl)oxy]benzoyl chloride (CAS 1160250-91-8)
- (3S)-3-Isopropyl-1-methylpiperazine (CAS 80949-76-4)
- 2-isothiocyanato-6-methylpyridine (CAS 52648-44-9)
- 3-Methylimidazo[1,2-a]pyridine-2-carbohydrazide (CAS 522606-72-0)
- 3-(1-Isopropylpyrrolidin-2-yl)-4,5,6,7-tetrahydro-1H-indazol-4-amine (CAS 1707682-81-2)
- Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) (CAS 1335440-44-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com