Xylazine EP Impurity B

Name: Xylazine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-042985

About Xylazine EP Impurity B

Listed under CAS 25480-78-8, Xylazine EP Impurity B is a pharmacopeial impurity of Xylazine available from Vaqora Chemicals. The compound has the formula C17H20N2S, corresponding to a molecular weight of 284.4 g/mol. Systematically, it is named 1,3-bis(2,6-dimethylphenyl)thiourea. Alternative names: Xylazine Hydrochloride - Impurity B and Thiourea, N,N'-bis(2,6-dimethylphenyl)-.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Xylazine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Xylazine EP 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

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Xylazine

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

Xylazine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Xylazine EP Impurity B
Catalogue No.	VQ-042985
CAS Number	25480-78-8
IUPAC name	1,3-bis(2,6-dimethylphenyl)thiourea
Molecular formula	C₁₇H₂₀N₂S
Molecular weight	284.4 g/mol
Exact mass	284.1347
Grade	Reference Standard
HSN code	38229090
InChIKey	GNNANCVWBKKTDL-UHFFFAOYSA-N
SMILES	CC1=C(C(=CC=C1)C)NC(=S)NC2=C(C=CC=C2C)C
PubChem CID	12287608

Physical properties
Physical form	Solid
LogP (XLogP3)	4.5
H-bond donors / acceptors	2 / 1
TPSA	56.2 Å²
Synonyms	Xylazine Hydrochloride - Impurity B, Thiourea, N,N'-bis(2,6-dimethylphenyl)-, 1,3-Di-2,6-xylylthiourea, N,N-Bis(2,6-dimethylphenyl)thiourea, Thiourea, N,N'-bis(2,6-dimethylphenyl), Xylazine hydrochloride impurity B, N,N'-Bis(2,6-dimethylphenyl)thiourea, N,N'-bis(2,6-xylyl)thiourea

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 Xylazine EP Impurity B?

The CAS Registry Number of Xylazine EP Impurity B is 25480-78-8. It is also known as Xylazine Hydrochloride - Impurity B, Thiourea, N,N'-bis(2,6-dimethylphenyl)-, 1,3-Di-2,6-xylylthiourea.

What is the molecular formula and molecular weight of Xylazine EP Impurity B?

Xylazine EP Impurity B has the molecular formula C17H20N2S and a molecular weight of 284.4 g/mol. Its IUPAC name is 1,3-bis(2,6-dimethylphenyl)thiourea.

What is Xylazine EP Impurity B used for?

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

We supply Xylazine EP 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 Xylazine EP Impurity B?

Yes. Every lot of Xylazine EP 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 Xylazine EP Impurity B be shipped internationally?

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