Atosiban

Name: Atosiban
Brand: Vaqora Chemicals
SKU: VQ-043053

About Atosiban

Atosiban (CAS 90779-69-4) is a high-purity reference standard of Atosiban offered by Vaqora Chemicals. With the molecular formula C43H67N11O12S2, it has a molar mass of 994.2 g/mol. Alternative names: Antocin and Antocin II.

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Laboratories use this Atosiban standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Atosiban

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

Atosiban impurities

Specifications & identifiers

Chemical identifiers
Product name	Atosiban
Catalogue No.	VQ-043053
CAS Number	90779-69-4
IUPAC name	(2S)-N-[(2S)-5-amino-1-[(2-amino-2-oxoethyl)amino]-1-oxopentan-2-yl]-1-[(4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-16-[(4-ethoxyphenyl)methyl]-10-[(1R)-1-hydroxyethyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]pyrrolidine-2-carboxamide
Molecular formula	C₄₃H₆₇N₁₁O₁₂S₂
Molecular weight	994.2 g/mol
Exact mass	993.4412
Grade	Reference Standard
HSN code	38229090
InChIKey	VWXRQYYUEIYXCZ-OBIMUBPZSA-N
SMILES	CC[C@H](C)[C@H]1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CSSCCC(=O)N[C@@H](C(=O)N1)CC2=CC=C(C=C2)OCC)C(=O)N3CCC[C@H]3C(=O)N[C@@H](CCCN)C(=O)NCC(=O)N)CC(=O)N)[C@@H](C)O
PubChem CID	5311010

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.9
H-bond donors / acceptors	11 / 15
TPSA	416 Å²
Synonyms	Antocin, Antocin II, CAP-476, CAP-581, 1-Deamino-2D-tyr-(OEt)-4-thr-8-orn-oxytocin, CAP-449, Oxytocin, 1-(3-mercaptopropanoic acid)-2-(O-ethyl-D-tyrosine)-4-L-threonine-8-L-ornithine-, 1-deamino-2-Tyr(OEt)-4-Thr-8-Orn-oxytocin, (Mpa(1),D-Tyr(Et)2,Thr(4),Orn(8))oxytocin, (Mpa(1)-D-Tyr(Et)(2)-Thr(4)-Orn(8))-oxytocin, oxytocin, 1-deamino-(O-Et-Tyr)(2)-Thr(4)-Orn(8)-, oxytocin, 1-deamino-O-ethyltyrosyl(2)-threonyl(4)-ornithine(8)-

Safety & hazard information (GHS)

Harmful / irritant

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?

The CAS Registry Number of Atosiban is 90779-69-4. It is also known as Antocin, Antocin II, CAP-476.

What is the molecular formula and molecular weight of Atosiban?

Atosiban has the molecular formula C43H67N11O12S2 and a molecular weight of 994.2 g/mol.

What is Atosiban used for?

Atosiban 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 can I order?

We supply Atosiban 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?

Yes. Every lot of Atosiban 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 be shipped internationally?

Yes. Atosiban 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.