(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl(2S,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
- CAS
- 200396-21-0
- Formula
- C18H27N3O4S
- MW
- 381.5 g/mol
ZX-025280
API Impurities
5'-Epi Lamivudine
Reference StandardAvailable on request
5'-Epi Lamivudine (CAS 139757-68-9) supplier Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.
CAS number139757-68-9
FormulaC8H11N3O3S
Molar mass229.26 g/mol
Physical formSolid
HS code38229090
InChIKeyJTEGQNOMFQHVDC-RNFRBKRXSA-N
IUPAC name4-amino-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one
About 5'-Epi Lamivudine
Analytical teams working on Lamivudine use 5'-Epi Lamivudine as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 139757-68-9, formula C8H11N3O3S and molar mass 229.26 g/mol. It is handled as a solid.
Where it is used
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Reference standards for Lamivudine
See every impurity, metabolite and related compound we list for this API.
Lamivudine standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | 5'-Epi Lamivudine |
|---|---|
| Catalogue number | ZX-025281 |
| CAS number | 139757-68-9 |
| IUPAC name | 4-amino-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one |
| Molecular formula | C8H11N3O3S |
| Molar mass | 229.26 g/mol |
| Exact mass | 229.0521 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | -0.9 |
| H-bond donors / acceptors | 2 / 4 |
| Topological polar surface area | 113 Ų |
| HS code | 38229090 |
| InChIKey | JTEGQNOMFQHVDC-RNFRBKRXSA-N |
| SMILES | C1[C@@H](O[C@H](S1)CO)N2C=CC(=NC2=O)N |
| PubChem CID | 441224 |
| Synonyms | Lamivudine 5-Epimer, trans-2-Hydroxymethyl-5-(cytosin-1-yl)-1,3-oxathiolane, alpha-L-Oxathionyl-cytidine, 2(1H)-Pyrimidinone, 4-amino-1-(2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-, (2R-trans)-, alpha-L-(+)-(2R,5R)-1-(2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)cytosine, 2(1H)-Pyrimidinone, 4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-, (2R-trans)-, 4'-Epi Lamivudine, 4-Amino-1-((2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one, 4-Amino-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one, .alpha.-L-Oxathionyl-cytidine |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about 5'-Epi Lamivudine
Which CAS number identifies 5'-Epi Lamivudine?
5'-Epi Lamivudine is registered under CAS 139757-68-9. You may also see it listed as Lamivudine 5-Epimer, trans-2-Hydroxymethyl-5-(cytosin-1-yl)-1,3-oxathiolane, alpha-L-Oxathionyl-cytidine. Our catalogue number for this item is ZX-025281.
What are the formula and molar mass of 5'-Epi Lamivudine?
For 5'-Epi Lamivudine, its formula is C8H11N3O3S and its molar mass is 229.26 g/mol. The systematic (IUPAC) name is 4-amino-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one. InChIKey JTEGQNOMFQHVDC-RNFRBKRXSA-N lets you match it in any structure database.
How is 5'-Epi Lamivudine used in pharmaceutical QC?
5'-Epi Lamivudine is a characterised reference material linked to Lamivudine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 5'-Epi Lamivudine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 5'-Epi Lamivudine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 5'-Epi Lamivudine to my country?
Yes. 5'-Epi Lamivudine ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
More Lamivudine standards
More in API Impurities
(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl(2R,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
- CAS
- 147126-80-5
- Formula
- C18H27N3O4S
- MW
- 381.5 g/mol
ZX-025279
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