Atosiban Impurity B

Name: Atosiban Impurity B
Brand: Vaqora Chemicals
SKU: VQ-024419

About Atosiban Impurity B

Listed under CAS 960411-86-3, Atosiban Impurity B is a metabolite or degradation product of Atosiban available from Vaqora Chemicals. Formula C43H69N11O12S2, molecular weight 996.2 g/mol. Common synonyms include Atosiban Inhouse Impurity B and Atosiban Impurity 51.

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. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Analytical teams use this compound to identify metabolites and degradants of Atosiban, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Atosiban 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

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Atosiban

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

Atosiban impurities

Specifications & identifiers

Chemical identifiers
Product name	Atosiban Impurity B
Catalogue No.	VQ-024419
CAS Number	960411-86-3
IUPAC name	(2S)-N-[(2R)-1-[(2S)-2-[[(2S)-5-amino-1-[(2-amino-2-oxoethyl)amino]-1-oxopentan-2-yl]carbamoyl]pyrrolidin-1-yl]-1-oxo-3-sulfanylpropan-2-yl]-2-[[(2S,3R)-2-[[(2S,3S)-2-[[(2R)-3-(4-ethoxyphenyl)-2-(3-sulfanylpropanoylamino)propanoyl]amino]-3-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]butanediamide
Molecular formula	C₄₃H₆₉N₁₁O₁₂S₂
Molecular weight	996.2 g/mol
Exact mass	995.4569
Grade	Reference Standard
HSN code	38229090
InChIKey	JEIYHPNLJPFIAR-OBIMUBPZSA-N
SMILES	CC[C@H](C)[C@@H](C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(=O)N)C(=O)N[C@@H](CS)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCN)C(=O)NCC(=O)N)NC(=O)[C@@H](CC2=CC=C(C=C2)OCC)NC(=O)CCS
PubChem CID	176485813

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.3
H-bond donors / acceptors	13 / 15
TPSA	368 Å²

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Atosiban Impurity B?

The CAS Registry Number of Atosiban Impurity B is 960411-86-3. It is also known as Atosiban Inhouse Impurity B, Atosiban Impurity 51.

What is the molecular formula and molecular weight of Atosiban Impurity B?

Atosiban Impurity B has the molecular formula C43H69N11O12S2 and a molecular weight of 996.2 g/mol.

What is Atosiban Impurity B used for?

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

We supply Atosiban 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 Atosiban Impurity B?

Yes. Every lot of Atosiban 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 Atosiban Impurity B be shipped internationally?

Yes. Atosiban Impurity B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.