Lomustine EP Impurity B

Name: Lomustine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-031610

About Lomustine EP Impurity B

Listed under CAS 13908-11-7, Lomustine EP Impurity B is a pharmacopeial impurity of Lomustine available from Vaqora Chemicals. With the molecular formula C9H17ClN2O, it has a molar mass of 204.7 g/mol. Systematically, it is named 1-(2-chloroethyl)-3-cyclohexylurea. Common synonyms include Lomustine Related Compound B and Lomustine - Impurity B.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 7 hazard statements. Review the Safety Data Sheet before use.

This Lomustine 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.

We offer Lomustine EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Lomustine

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

Lomustine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Lomustine EP Impurity B
Catalogue No.	VQ-031610
CAS Number	13908-11-7
IUPAC name	1-(2-chloroethyl)-3-cyclohexylurea
Molecular formula	C₉H₁₇ClN₂O
Molecular weight	204.7 g/mol
Exact mass	204.1029
Grade	Reference Standard
HSN code	38229090
InChIKey	BIOZXMXBLXQEBQ-UHFFFAOYSA-N
SMILES	C1CCC(CC1)NC(=O)NCCCl
PubChem CID	255112

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	2 / 1
TPSA	41.1 Å²
Synonyms	Lomustine Related Compound B, Lomustine - Impurity B, N-(2-Chloroethyl)-N'-cyclohexylurea, Urea, N-(2-chloroethyl)-N'-cyclohexyl-, Lomustine specified impurity B, 1-Cyclohexyl-3-(2-chloroethyl)urea, 1-(2-chloroethyl)-3-cyclohexyl urea, 1-(2-chloroethyl)-3-cyclohexyl-urea, [(2-chloroethyl)amino]-N-cyclohexylcarboxamide

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H228Flammable solid
H302+H312+H332Harmful if swallowed, in contact with skin or if inhaled
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled

Precautionary statements: P210, P240, P241, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P321, P330, P332 + P317, P337 + P317, P362 + P364, P370 + P378, 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 Lomustine EP Impurity B?

The CAS Registry Number of Lomustine EP Impurity B is 13908-11-7. It is also known as Lomustine Related Compound B, Lomustine - Impurity B, N-(2-Chloroethyl)-N'-cyclohexylurea.

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

Lomustine EP Impurity B has the molecular formula C9H17ClN2O and a molecular weight of 204.7 g/mol. Its IUPAC name is 1-(2-chloroethyl)-3-cyclohexylurea.

What is Lomustine EP Impurity B used for?

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

We supply Lomustine 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 Lomustine EP Impurity B?

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

Yes. Lomustine EP Impurity B 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.