Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Clozapine EP Impurity A

Synonyms: Clozapine - Impurity A · 8-Chloro-5,10-dihydro-11H-dibenzo[b,e][1,4]-diazepin-11-one · 8-Chloro-5,10-dihydrodibenzo[b,e][1,4]diazepin-11-one · 8-Chloro-5,10-Dihydro-11h-Dibenzo[b,E][1,4]diazepin-11-One

CAS No.50892-62-1
FormulaC13H9ClN2O
Mol. weight244.67
Catalogue No.VQ-022253
PurityReference Standard
HSN38229090

Clozapine EP Impurity A (CAS 50892-62-1) – Clozapine impurity standard. C13H9ClN2O, MW 244.67. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Clozapine EP Impurity A

Clozapine EP Impurity A is a pharmacopeial impurity of Clozapine carrying the CAS registry number 50892-62-1. The compound has the formula C13H9ClN2O, corresponding to a molecular weight of 244.67 g/mol. Its systematic (IUPAC) name is 3-chloro-5,11-dihydrobenzo[b][1,4]benzodiazepin-6-one. It is also known as Clozapine - Impurity A or 8-Chloro-11-oxo-5H-dibenzo[b,e][1,4]diazepine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Clozapine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Clozapine EP Impurity A 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 Clozapine

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

Clozapine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameClozapine EP Impurity A
Catalogue No.VQ-022253
CAS Number50892-62-1
IUPAC name3-chloro-5,11-dihydrobenzo[b][1,4]benzodiazepin-6-one
Molecular formulaC13H9ClN2O
Molecular weight244.67 g/mol
Exact mass244.0403
GradeReference Standard
HSN code38229090
InChIKeyYVWNDABPZGGQFE-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=O)NC3=C(N2)C=CC(=C3)Cl
PubChem CID3653116
Physical properties
Physical formSolid
LogP (XLogP3)3
H-bond donors / acceptors2 / 2
TPSA41.1 Ų
SynonymsClozapine - Impurity A, 8-Chloro-5,10-dihydro-11H-dibenzo[b,e][1,4]-diazepin-11-one, 8-Chloro-5,10-dihydrodibenzo[b,e][1,4]diazepin-11-one, 8-Chloro-5,10-Dihydro-11h-Dibenzo[b,E][1,4]diazepin-11-One, 8-Chloro-5, 10-dihydro-11H-dibenzo (b, E) (1, 4) diazepin-11-one, 8-Chloro-5,10-dihydro-11H-dibenzo(b,E)(1,4)diazepin-11-one, 11H-Dibenzo(b,E)(1,4)diazepin-11-one, 8-chloro-5,10-dihydro-, 8-Chloro-5,10-dihydro-11H-dibenzo(b,e)(1,4)-diazepin-11-one, 8-Chloro-11-oxo-5H-dibenzo[b,e][1,4]diazepine, Clozapine Impurity A, 8-Chloro-5,10-dihydrodebenzo[b,e][1,4]diazepin-11-one, 8-chloro-5,10-dihydro-dibenzo[b,e][1,4]diazepin-11-one

Safety & hazard information (GHS)

GHS06 Toxic
Toxic
GHS08 Health hazard
Health hazard

Signal word: Danger

Hazard statements

  • H301Toxic if swallowed
  • H341Suspected of causing genetic defects

Precautionary statements: P203, P264, P270, P280, P301 + P316, P318, P321, P330, 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

Frequently asked questions

What is the CAS number of Clozapine EP Impurity A?

The CAS Registry Number of Clozapine EP Impurity A is 50892-62-1. It is also known as Clozapine - Impurity A, 8-Chloro-5,10-dihydro-11H-dibenzo[b,e][1,4]-diazepin-11-one, 8-Chloro-5,10-dihydrodibenzo[b,e][1,4]diazepin-11-one.

What is the molecular formula and molecular weight of Clozapine EP Impurity A?

Clozapine EP Impurity A has the molecular formula C13H9ClN2O and a molecular weight of 244.67 g/mol. Its IUPAC name is 3-chloro-5,11-dihydrobenzo[b][1,4]benzodiazepin-6-one.

What is Clozapine EP Impurity A used for?

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

We supply Clozapine 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 Clozapine EP Impurity A?

Yes. Every lot of Clozapine 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 Clozapine EP Impurity A be shipped internationally?

Yes. Clozapine EP Impurity A 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.

Enquire about Clozapine EP Impurity A

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

Reference Standard
Clozapine N-Oxide chemical structure
Clozapine N-Oxide
CAS
34233-69-7
Formula
C18H19ClN4O
MW
342.8 g/mol
VQ-022251
Reference Standard
Clozapine chemical structure
Clozapine
CAS
5786-21-0
Formula
C18H19ClN4
MW
326.8 g/mol
VQ-022249
Reference Standard
N-Nitroso Clozapine chemical structure
N-Nitroso Clozapine
CAS
156632-03-0
Formula
C18H18ClN5O
MW
355.8 g/mol
VQ-021196
Reference Standard
Clozapine D3 chemical structure
Clozapine D3
CAS
1215691-72-7
Formula
C18H19ClN4
MW
329.8 g/mol
VQ-025071

More in Pharmacopeial Impurities (EP / USP / BP) →