2`Epi-Lamivudine

Name: 2`Epi-Lamivudine
Brand: Vaqora Chemicals
SKU: VQ-026337

About 2`Epi-Lamivudine

2`Epi-Lamivudine (CAS 136846-20-3) is an impurity of Lamivudine offered by Vaqora Chemicals. With the molecular formula C8H11N3O3S, it has a molar mass of 229.26 g/mol. Systematically, it is named 4-amino-1-[(2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one. Common synonyms include Lamivudine Diastereomer and Lamivudine Diastereoisomer.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Lamivudine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 2`Epi-Lamivudine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Lamivudine

View every impurity, metabolite and intermediate we list for Lamivudine.

Lamivudine impurities

Specifications & identifiers

Chemical identifiers
Product name	2`Epi-Lamivudine
Catalogue No.	VQ-026337
CAS Number	136846-20-3
IUPAC name	4-amino-1-[(2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one
Molecular formula	C₈H₁₁N₃O₃S
Molecular weight	229.26 g/mol
Exact mass	229.0521
Grade	Reference Standard
HSN code	38229090
InChIKey	JTEGQNOMFQHVDC-BQBZGAKWSA-N
SMILES	C1[C@H](O[C@@H](S1)CO)N2C=CC(=NC2=O)N
PubChem CID	6540852

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.9
H-bond donors / acceptors	2 / 4
TPSA	113 Å²
Synonyms	Lamivudine Diastereomer, Lamivudine Diastereoisomer, 2(1H)-Pyrimidinone, 4-amino-1-((2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-, rel-, 2(1H)-Pyrimidinone, 4-amino-1-(2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-, trans-, Lamivudine, (+-)-trans-, Lamivudine, (A+-)-trans-, Lamivudine, (+/-)-trans-, (+/-)-trans-Lamivudine, 4-Amino-1-((2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one, 4-Amino-1-((2RS,5RS)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one, (-)-(2S,5S)-1-(2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)cytosine

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2`Epi-Lamivudine?

The CAS Registry Number of 2`Epi-Lamivudine is 136846-20-3. It is also known as Lamivudine Diastereomer, Lamivudine Diastereoisomer, 2(1H)-Pyrimidinone, 4-amino-1-((2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-, rel-.

What is the molecular formula and molecular weight of 2`Epi-Lamivudine?

2`Epi-Lamivudine has the molecular formula C8H11N3O3S and a molecular weight of 229.26 g/mol. Its IUPAC name is 4-amino-1-[(2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one.

What is 2`Epi-Lamivudine used for?

2`Epi-Lamivudine is supplied as a characterised reference material related to Lamivudine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 2`Epi-Lamivudine can I order?

We supply 2`Epi-Lamivudine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2`Epi-Lamivudine?

Yes. Every lot of 2`Epi-Lamivudine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2`Epi-Lamivudine be shipped internationally?

Yes. We export 2`Epi-Lamivudine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.