Temazepam EP Impurity B

Name: Temazepam EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-042400

About Temazepam EP Impurity B

Vaqora Chemicals supplies Temazepam EP Impurity B, a pharmacopeial impurity of Temazepam registered under CAS number 604-75-1. With the molecular formula C15H11ClN2O2, it has a molar mass of 286.71 g/mol. Its systematic (IUPAC) name is 7-chloro-3-hydroxy-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-one. Common synonyms include Temazepam - Impurity B and Limbial.

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Temazepam impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in 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

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

Industries

Related to Temazepam

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

Temazepam impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Temazepam EP Impurity B
Catalogue No.	VQ-042400
CAS Number	604-75-1
IUPAC name	7-chloro-3-hydroxy-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-one
Molecular formula	C₁₅H₁₁ClN₂O₂
Molecular weight	286.71 g/mol
Exact mass	286.0509
Grade	Reference Standard
HSN code	38229090
InChIKey	ADIMAYPTOBDMTL-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C2=NC(C(=O)NC3=C2C=C(C=C3)Cl)O
PubChem CID	4616

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	2 / 3
TPSA	61.7 Å²
Synonyms	Temazepam - Impurity B, Limbial, Isodin, Hi-Long, (RS)-Oxazepam, Tarchomin, Serenid-D, (+-)-Oxazepam, Anxiolit retard, Tranquo-buscopan-wirkstoff, Z10-Tr, N-Desmethyltemazepam

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H351Suspected of causing cancer

Precautionary statements: P203, P280, P318, P405, 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 Temazepam EP Impurity B?

The CAS Registry Number of Temazepam EP Impurity B is 604-75-1. It is also known as Temazepam - Impurity B, Limbial, Isodin.

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

Temazepam EP Impurity B has the molecular formula C15H11ClN2O2 and a molecular weight of 286.71 g/mol. Its IUPAC name is 7-chloro-3-hydroxy-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-one.

What is Temazepam EP Impurity B used for?

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

We supply Temazepam 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 Temazepam EP Impurity B?

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

Yes. Temazepam 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.