Trabectedin impurity B (sulfoxide)

Name: Trabectedin impurity B (sulfoxide)
Brand: Vaqora Chemicals
SKU: VQ-034373

About Trabectedin impurity B (sulfoxide)

Trabectedin impurity B (sulfoxide) (CAS 631920-73-5) is a metabolite or degradation product of Trabectedin offered by Vaqora Chemicals. With the molecular formula C39H43N3O12S, it has a molar mass of 777.8 g/mol. Alternative names: Trabectedin Sulfoxide Impurity and Trabectedine Impurity B.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Trabectedin

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

Trabectedin impurities

Specifications & identifiers

Chemical identifiers
Product name	Trabectedin impurity B (sulfoxide)
Catalogue No.	VQ-034373
CAS Number	631920-73-5
IUPAC name	[(1R,2R,3R,11S,12S,14R,26R)-5,6',12-trihydroxy-6,7'-dimethoxy-7,21,30-trimethyl-24,27-dioxospiro[17,19,28-trioxa-24lambda4-thia-13,30-diazaheptacyclo[12.9.6.13,11.02,13.04,9.015,23.016,20]triaconta-4(9),5,7,15,20,22-hexaene-26,1'-3,4-dihydro-2H-isoquinoline]-22-yl] acetate
Molecular formula	C₃₉H₄₃N₃O₁₂S
Molecular weight	777.8 g/mol
Exact mass	777.2567
Grade	Reference Standard
HSN code	38229090
InChIKey	UXTFBUVODQNPJE-MAKDMNOISA-N
SMILES	CC1=CC2=C([C@@H]3[C@@H]4[C@H]5C6=C(C(=C7C(=C6[C@@H](N4[C@H]([C@H](C2)N3C)O)COC(=O)[C@@]8(CS5=O)C9=CC(=C(C=C9CCN8)O)OC)OCO7)C)OC(=O)C)C(=C1OC)O
PubChem CID	9962320

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	4 / 16
TPSA	205 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 Trabectedin impurity B (sulfoxide)?

The CAS Registry Number of Trabectedin impurity B (sulfoxide) is 631920-73-5. It is also known as Trabectedin Sulfoxide Impurity, Trabectedine Impurity B.

What is the molecular formula and molecular weight of Trabectedin impurity B (sulfoxide)?

Trabectedin impurity B (sulfoxide) has the molecular formula C39H43N3O12S and a molecular weight of 777.8 g/mol.

What is Trabectedin impurity B (sulfoxide) used for?

Trabectedin impurity B (sulfoxide) is supplied as a characterised reference material related to Trabectedin. 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 Trabectedin impurity B (sulfoxide) can I order?

We supply Trabectedin impurity B (sulfoxide) 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 Trabectedin impurity B (sulfoxide)?

Yes. Every lot of Trabectedin impurity B (sulfoxide) 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 Trabectedin impurity B (sulfoxide) be shipped internationally?

Yes. We export Trabectedin impurity B (sulfoxide) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.