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Pharmacopeial Impurities (EP / USP / BP)

Clozapine EP Impurity A

Reference StandardAvailable on request

Order Clozapine EP Impurity A (CAS 50892-62-1) online at Zemixal: C13H9ClN2O, COA and SDS with every lot, worldwide shipping.

Pack sizes
Clozapine EP Impurity A chemical structure
CAS number50892-62-1
FormulaC13H9ClN2O
Molar mass244.67 g/mol
Physical formSolid
HS code38229090
InChIKeyYVWNDABPZGGQFE-UHFFFAOYSA-N
IUPAC name3-chloro-5,11-dihydrobenzo[b][1,4]benzodiazepin-6-one

About Clozapine EP Impurity A

Clozapine EP Impurity A is supplied by Zemixal as a characterised reference material for Clozapine analysis. For your records (Reference Standard), the material is defined by CAS 50892-62-1, formula C13H9ClN2O and molar mass 244.67 g/mol. It is handled as a solid.

Typical applications

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

Storage and safety notes

It carries the GHS signal word Danger (H301 and H341), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Clozapine

See every impurity, metabolite and related compound we list for this API.

Clozapine standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Clozapine EP Impurity A
Product nameClozapine EP Impurity A
Catalogue numberZX-021284
CAS number50892-62-1
IUPAC name3-chloro-5,11-dihydrobenzo[b][1,4]benzodiazepin-6-one
Molecular formulaC13H9ClN2O
Molar mass244.67 g/mol
Exact mass244.0403
GradeReference Standard
Physical formSolid
XLogP33
H-bond donors / acceptors2 / 2
Topological polar surface area41.1 Ų
HS code38229090
InChIKeyYVWNDABPZGGQFE-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=O)NC3=C(N2)C=CC(=C3)Cl
PubChem CID3653116
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H341Suspected of causing genetic defects

Precautionary statements P203, P264, P270, P280, P301 + P316, P318, P321, P330, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Clozapine EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Clozapine EP Impurity A

Which CAS number identifies Clozapine EP Impurity A?
Clozapine EP Impurity A is registered under CAS 50892-62-1. You may also see it listed 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. Our catalogue number for this item is ZX-021284.
What are the formula and molar mass of Clozapine EP Impurity A?
For Clozapine EP Impurity A, its formula is C13H9ClN2O and its molar mass is 244.67 g/mol. The systematic (IUPAC) name is 3-chloro-5,11-dihydrobenzo[b][1,4]benzodiazepin-6-one. InChIKey YVWNDABPZGGQFE-UHFFFAOYSA-N lets you match it in any structure database.
How is Clozapine EP Impurity A used in pharmaceutical QC?
Clozapine EP Impurity A is a characterised reference material linked to Clozapine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Clozapine EP Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Clozapine EP Impurity A?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Clozapine EP Impurity A to my country?
Yes. Because Clozapine EP Impurity A is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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