Asp-5-Oxytocin

About Asp-5-Oxytocin

Asp-5-Oxytocin is an impurity of Oxytocin carrying the CAS registry number 65907-78-0. With the molecular formula C43H65N11O13S2, it has a molar mass of 1008.2 g/mol. Alternative names: 5-Asp-oxytocin and Oxytocin, asp(5)-.

The product is provided 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 Oxytocin 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Asp-5-Oxytocin 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 Oxytocin

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

Oxytocin impurities

Specifications & identifiers

Chemical identifiers
Product name	Asp-5-Oxytocin
Catalogue No.	VQ-027344
CAS Number	65907-78-0
IUPAC name	2-[(4R,7S,10S,16S,19R)-19-amino-4-[(2S)-2-[[(2S)-1-[(2-amino-2-oxoethyl)amino]-4-methyl-1-oxopentan-2-yl]carbamoyl]pyrrolidine-1-carbonyl]-10-(3-amino-3-oxopropyl)-13-[(2S)-butan-2-yl]-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicos-7-yl]acetic acid
Molecular formula	C₄₃H₆₅N₁₁O₁₃S₂
Molecular weight	1008.2 g/mol
Exact mass	1007.4205
Grade	Reference Standard
HSN code	38229090
InChIKey	BKQNCZBCEMVEEP-OMTOYRQASA-N
SMILES	CC[C@H](C)C1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N1)CC2=CC=C(C=C2)O)N)C(=O)N3CCC[C@H]3C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N)CC(=O)O)CCC(=O)N
PubChem CID	191785

Physical properties
Physical form	Solid
LogP (XLogP3)	-4.2
H-bond donors / acceptors	12 / 16
TPSA	444 Å²

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 Asp-5-Oxytocin?

The CAS Registry Number of Asp-5-Oxytocin is 65907-78-0. It is also known as 5-Asp-oxytocin, Oxytocin, asp(5)-, Oxytocin, aspartic acid(5)-.

What is the molecular formula and molecular weight of Asp-5-Oxytocin?

Asp-5-Oxytocin has the molecular formula C43H65N11O13S2 and a molecular weight of 1008.2 g/mol.

What is Asp-5-Oxytocin used for?

Asp-5-Oxytocin is supplied as a characterised reference material related to Oxytocin. 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 Asp-5-Oxytocin can I order?

We supply Asp-5-Oxytocin 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 Asp-5-Oxytocin?

Yes. Every lot of Asp-5-Oxytocin 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 Asp-5-Oxytocin be shipped internationally?

Yes. We export Asp-5-Oxytocin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.