Rac-Lamivudine EP Impurity B

Name: Rac-Lamivudine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-026334

About Rac-Lamivudine EP Impurity B

Rac-Lamivudine EP Impurity B (CAS 141434-39-1) is a pharmacopeial 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-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one. It is also known as Lamivudine EP Impurity B or Lamivudine EP Impurity B (Racemic).

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Lamivudine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Rac-Lamivudine EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Lamivudine

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

Lamivudine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Rac-Lamivudine EP Impurity B
Catalogue No.	VQ-026334
CAS Number	141434-39-1
IUPAC name	4-amino-1-[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-UHFFFAOYSA-N
SMILES	C1C(OC(S1)CO)N2C=CC(=NC2=O)N
PubChem CID	3877

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.9
H-bond donors / acceptors	2 / 4
TPSA	113 Å²
Synonyms	Lamivudine EP Impurity B, Lamivudine EP Impurity B (Racemic), (±)-Trans-lamivudine (Mixture of Diastereomers), 4-amino-1-(2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one, Lamivudine Impurity B, 2'-deoxy-3'-thiacytidine, 4-Amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one, Lamivudine Impurity 53, cis-BCH-189, 4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-1,2-dihydropyrimidin-2-one, Lamivudine (3TC, BCH-189), 2-(3-Chloro-phenoxy)-propionic acid

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 Rac-Lamivudine EP Impurity B?

The CAS Registry Number of Rac-Lamivudine EP Impurity B is 141434-39-1. It is also known as Lamivudine EP Impurity B, Lamivudine EP Impurity B (Racemic), (±)-Trans-lamivudine (Mixture of Diastereomers).

What is the molecular formula and molecular weight of Rac-Lamivudine EP Impurity B?

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

What is Rac-Lamivudine EP Impurity B used for?

Rac-Lamivudine EP Impurity B 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 Rac-Lamivudine EP Impurity B can I order?

We supply Rac-Lamivudine EP Impurity B 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 Rac-Lamivudine EP Impurity B?

Yes. Every lot of Rac-Lamivudine EP Impurity B 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 Rac-Lamivudine EP Impurity B be shipped internationally?

Yes. We export Rac-Lamivudine EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.