Chlordiazepoxide EP impurity A

Name: Chlordiazepoxide EP impurity A
Brand: Vaqora Chemicals
SKU: VQ-029741

About Chlordiazepoxide EP impurity A

Vaqora Chemicals supplies Chlordiazepoxide EP impurity A, a pharmacopeial impurity of Chlordiazepoxide registered under CAS number 963-39-3. Its molecular formula is C15H11ClN2O2 and its molecular weight is 286.71 g/mol. Its systematic (IUPAC) name is 7-chloro-4-hydroxy-5-phenyl-3H-1,4-benzodiazepin-2-one. Alternative names: Oxazepam EP Impurity E and Chlordiazepoxide - Impurity A.

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. Good laboratory practice and suitable PPE are recommended during handling.

This Chlordiazepoxide 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.

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 Chlordiazepoxide

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

Chlordiazepoxide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Chlordiazepoxide EP impurity A
Catalogue No.	VQ-029741
CAS Number	963-39-3
IUPAC name	7-chloro-4-hydroxy-5-phenyl-3H-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	PSADRZMLSXCSAS-UHFFFAOYSA-N
SMILES	C1C(=O)N=C2C=CC(=CC2=C(N1O)C3=CC=CC=C3)Cl
PubChem CID	13756

Physical properties
Physical form	Solid
LogP (XLogP3)	2.3
H-bond donors / acceptors	1 / 3
TPSA	52.9 Å²
Synonyms	Oxazepam EP Impurity E, Chlordiazepoxide - Impurity A, Oxazepam - Impurity E, Chlordiazepoxide lactam, 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepine-2-one-4-oxide, Ro 5-2092 lactam, 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-oxide, 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one-4-oxide, 7-Chloro-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepine 4-oxide, Demossepam [DCIT], 7-Chloro-1,4-benzodiazepin-2-one 4-oxide, 7-Chloro-1,4-benzodiazepin-2-one-4-oxide

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 Chlordiazepoxide EP impurity A?

The CAS Registry Number of Chlordiazepoxide EP impurity A is 963-39-3. It is also known as Oxazepam EP Impurity E, Chlordiazepoxide - Impurity A, Oxazepam - Impurity E.

What is the molecular formula and molecular weight of Chlordiazepoxide EP impurity A?

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

What is Chlordiazepoxide EP impurity A used for?

Chlordiazepoxide EP impurity A is supplied as a characterised reference material related to Chlordiazepoxide. 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 Chlordiazepoxide EP impurity A can I order?

We supply Chlordiazepoxide EP impurity A 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 Chlordiazepoxide EP impurity A?

Yes. Every lot of Chlordiazepoxide EP impurity A 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 Chlordiazepoxide EP impurity A be shipped internationally?

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