Biotin EP Impurity B

Name: Biotin EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-021840

About Biotin EP Impurity B

Biotin EP Impurity B (CAS 57671-79-1) is a pharmacopeial impurity of Biotin offered by Vaqora Chemicals. The compound has the formula C11H16N2O5S, corresponding to a molecular weight of 288.32 g/mol. Its systematic (IUPAC) name is 2-[3-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]propyl]propanedioic acid. Common synonyms include Biotin Diacid and Biotin Impurity B.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Biotin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Biotin EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Biotin

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

Biotin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Biotin EP Impurity B
Catalogue No.	VQ-021840
CAS Number	57671-79-1
IUPAC name	2-[3-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]propyl]propanedioic acid
Molecular formula	C₁₁H₁₆N₂O₅S
Molecular weight	288.32 g/mol
Exact mass	288.078
Grade	Reference Standard
HSN code	38229090
InChIKey	XWJBVGZSIAZDKJ-FXQIFTODSA-N
SMILES	C1[C@H]2[C@@H]([C@@H](S1)CCCC(C(=O)O)C(=O)O)NC(=O)N2
PubChem CID	22865898

Physical properties
Physical form	Solid
LogP (XLogP3)	0.1
H-bond donors / acceptors	4 / 6
TPSA	141 Å²
Synonyms	Biotin Diacid, 2-(3-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)propyl)malonic acid, Biotin Impurity B, 2-{3-[(3aS,4S,6aR)-2-oxo-hexahydro-1H-thieno[3,4-d]imidazol-4-yl]propyl}propanedioic acid, 2-[3-[(3aS,4S,6aR)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]propyl]propanedioic Acid, {3-[(3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]propyl}propanedioic 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 Biotin EP Impurity B?

The CAS Registry Number of Biotin EP Impurity B is 57671-79-1. It is also known as Biotin Diacid, 2-(3-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)propyl)malonic acid, Biotin Impurity B.

What is the molecular formula and molecular weight of Biotin EP Impurity B?

Biotin EP Impurity B has the molecular formula C11H16N2O5S and a molecular weight of 288.32 g/mol. Its IUPAC name is 2-[3-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]propyl]propanedioic acid.

What is Biotin EP Impurity B used for?

Biotin EP Impurity B is supplied as a characterised reference material related to Biotin. 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 Biotin EP Impurity B can I order?

We supply Biotin 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 Biotin EP Impurity B?

Yes. Every lot of Biotin 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 Biotin EP Impurity B be shipped internationally?

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