Thiotepa - Impurity B | CAS 14056-57-6

Name: Thiotepa - Impurity B
Brand: Vaqora Chemicals
SKU: VQ-034203

About Thiotepa - Impurity B

Listed under CAS 14056-57-6, Thiotepa - Impurity B is an impurity of Thiotepa available from Vaqora Chemicals. The compound has the formula C4H9N2OPS, corresponding to a molecular weight of 164.17 g/mol. Its systematic (IUPAC) name is bis(aziridin-1-yl)-hydroxy-sulfanylidene-lambda5-phosphane. Alternative names: P,P-Bisaziridinyl Thiophosphate and Thiotepa impurity B sodium.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Thiotepa to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Thiotepa - Impurity B 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 Thiotepa

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

Thiotepa impurities

Specifications & identifiers

Chemical identifiers
Product name	Thiotepa - Impurity B
Catalogue No.	VQ-034203
CAS Number	14056-57-6
IUPAC name	bis(aziridin-1-yl)-hydroxy-sulfanylidene-lambda5-phosphane
Molecular formula	C₄H₉N₂OPS
Molecular weight	164.17 g/mol
Exact mass	164.0173
Grade	Reference Standard
HSN code	38229090
InChIKey	YPTSKUJWNMNWGO-UHFFFAOYSA-N
SMILES	C1CN1P(=S)(N2CC2)O
PubChem CID	14700528

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	1 / 4
TPSA	58.3 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 Thiotepa - Impurity B?

The CAS Registry Number of Thiotepa - Impurity B is 14056-57-6. It is also known as P,P-Bisaziridinyl Thiophosphate, Thiotepa impurity B sodium, 14056-57-6(free base).

What is the molecular formula and molecular weight of Thiotepa - Impurity B?

Thiotepa - Impurity B has the molecular formula C4H9N2OPS and a molecular weight of 164.17 g/mol. Its IUPAC name is bis(aziridin-1-yl)-hydroxy-sulfanylidene-lambda5-phosphane.

What is Thiotepa - Impurity B used for?

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

We supply Thiotepa - 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 Thiotepa - Impurity B?

Yes. Every lot of Thiotepa - 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 Thiotepa - Impurity B be shipped internationally?

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