Temazepam EP impurity E

Name: Temazepam EP impurity E
Brand: Vaqora Chemicals
SKU: VQ-035439

About Temazepam EP impurity E

Listed under CAS 2888-64-4, Temazepam EP impurity E is a pharmacopeial impurity of Temazepam available from Vaqora Chemicals. With the molecular formula C16H13ClN2O2, it has a molar mass of 300.74 g/mol. Systematically, it is named 7-chloro-1-methyl-4-oxido-5-phenyl-3H-1,4-benzodiazepin-4-ium-2-one. Alternative names: Diazepam N-Oxide and Temazepam - Impurity E.

The product is provided 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.

As a characterised impurity of Temazepam, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Temazepam EP impurity E 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 Temazepam

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

Temazepam impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Temazepam EP impurity E
Catalogue No.	VQ-035439
CAS Number	2888-64-4
IUPAC name	7-chloro-1-methyl-4-oxido-5-phenyl-3H-1,4-benzodiazepin-4-ium-2-one
Molecular formula	C₁₆H₁₃ClN₂O₂
Molecular weight	300.74 g/mol
Exact mass	300.0666
Grade	Reference Standard
HSN code	38229090
InChIKey	FPRDNGOSKVGXHA-UHFFFAOYSA-N
SMILES	CN1C(=O)C[N+](=C(C2=C1C=CC(=C2)Cl)C3=CC=CC=C3)[O-]
PubChem CID	72793

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	0 / 2
TPSA	49.1 Å²
Synonyms	Diazepam N-Oxide, Temazepam - Impurity E, 7-Chloro-1-methyl-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide, 2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3-dihydro-1-methyl-5-phenyl-, 4-oxide, 7-Chloro-1,3-dihydro-1-methyl-5-phenyl-2H-benzo-1,4-diazepin-2-one4-oxide, 2H-1,4-Benzodiazepin-2-one,7-chloro-1,3-dihydro-1-methyl-5-phenyl-, 4-oxide, 2H-1, 7-chloro-1,3-dihydro-1-methyl-5-phenyl-, 4-oxide, 7-chloro-1-methyl-5-phenyl-1H-1,4-benzodiazepine-2(3H)on-4-oxide, 7-chloro-1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepine 4-oxide, 7-Chloro-1-methyl-4-oxo-5-phenyl-1,3-dihydro-2H-1,4lambda~5~-benzodiazepin-2-one

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 E?

The CAS Registry Number of Temazepam EP impurity E is 2888-64-4. It is also known as Diazepam N-Oxide, Temazepam - Impurity E, 7-Chloro-1-methyl-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide.

What is the molecular formula and molecular weight of Temazepam EP impurity E?

Temazepam EP impurity E has the molecular formula C16H13ClN2O2 and a molecular weight of 300.74 g/mol. Its IUPAC name is 7-chloro-1-methyl-4-oxido-5-phenyl-3H-1,4-benzodiazepin-4-ium-2-one.

What is Temazepam EP impurity E used for?

Temazepam EP impurity E 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 E can I order?

We supply Temazepam EP impurity E 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 E?

Yes. Every lot of Temazepam EP impurity E 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 E be shipped internationally?

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