Emtricitabine Impurity (2,3'-Dideoxy-5-Fluoro-3-Thiouridine)
- CAS
- 145281-92-1
- Formula
- C8H9FN2O4S
- MW
- 248.23 g/mol
ZX-021545
API Impurities
5-epi Emtricitabine
Reference StandardAvailable on request
Buy 5-epi Emtricitabine (CAS 145986-26-1) from Zemixal: C8H10FN3O3S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-021546.
CAS number145986-26-1
FormulaC8H10FN3O3S
Molar mass247.25 g/mol
Physical formSolid
HS code38229090
InChIKeyXQSPYNMVSIKCOC-PHDIDXHHSA-N
IUPAC name4-amino-5-fluoro-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one
About 5-epi Emtricitabine
Zemixal lists 5-epi Emtricitabine for laboratories that identify, quantify or control Emtricitabine and its related substances. Identity at a glance (Reference Standard): CAS 145986-26-1, formula C8H10FN3O3S and molar mass 247.25 g/mol. It is handled as a solid.
Typical applications
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Reference standards for Emtricitabine
See every impurity, metabolite and related compound we list for this API.
Emtricitabine standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | 5-epi Emtricitabine |
|---|---|
| Catalogue number | ZX-021546 |
| CAS number | 145986-26-1 |
| IUPAC name | 4-amino-5-fluoro-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one |
| Molecular formula | C8H10FN3O3S |
| Molar mass | 247.25 g/mol |
| Exact mass | 247.0427 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | -0.6 |
| H-bond donors / acceptors | 2 / 5 |
| Topological polar surface area | 113 Ų |
| HS code | 38229090 |
| InChIKey | XQSPYNMVSIKCOC-PHDIDXHHSA-N |
| SMILES | C1[C@@H](O[C@H](S1)CO)N2C=C(C(=NC2=O)N)F |
| PubChem CID | 454519 |
| Synonyms | Emtricitabine 5-Epimer, 5-epi Emtricitabine, Emtricitabine Diasteromer (RRT-1.23), Oxathiolan 5FC-alpha, alpha-L-FTC, alpha-L-(+)-(2R,5R)-5-Fluoro-1-(2-(hydroxymethyl)-1,3-oxathiolan-5-yl)cytosine, 4-Amino-5-fluoro-1-((2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one, (2R,5R)-Emtricitabine, alpha-L-Oxathiolanyl-5-fluorocytidine, Emtricitabine hydrochloride, 4-Amino-5-fluoro-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one, Oxathiolan 5FC-.a. |
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 Emtricitabine
Which CAS number identifies 5-epi Emtricitabine?
5-epi Emtricitabine is registered under CAS 145986-26-1. You may also see it listed as Emtricitabine 5-Epimer, 5-epi Emtricitabine, Emtricitabine Diasteromer (RRT-1.23), Oxathiolan 5FC-alpha. Our catalogue number for this item is ZX-021546.
What are the formula and molar mass of 5-epi Emtricitabine?
For 5-epi Emtricitabine, its formula is C8H10FN3O3S and its molar mass is 247.25 g/mol. The systematic (IUPAC) name is 4-amino-5-fluoro-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one. InChIKey XQSPYNMVSIKCOC-PHDIDXHHSA-N lets you match it in any structure database.
How is 5-epi Emtricitabine used in pharmaceutical QC?
5-epi Emtricitabine is a characterised reference material linked to Emtricitabine. 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 Emtricitabine?
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 Emtricitabine?
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 Emtricitabine to my country?
Yes. 5-epi Emtricitabine ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
More Emtricitabine standards
More in API Impurities
(2S,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
- CAS
- 147126-75-8
- Formula
- C18H26FN3O4S
- MW
- 399.5 g/mol
ZX-024497
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