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Pharmacopeial Impurities (EP / USP / BP)

Pirenzepine EP Impurity B

Reference StandardAvailable on request

Order Pirenzepine EP Impurity B (CAS 885-70-1) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-032887.

Pack sizes
Pirenzepine EP Impurity B chemical structure
CAS number885-70-1
FormulaC12H9N3O
Molar mass211.22 g/mol
Physical formSolid
HS code38229090
InChIKeyMIRBIZDDMSFTKY-UHFFFAOYSA-N
IUPAC name5,11-dihydropyrido[2,3-b][1,4]benzodiazepin-6-one

About Pirenzepine EP Impurity B

Zemixal lists Pirenzepine EP Impurity B for laboratories that identify, quantify or control Pirenzepine and its related substances. For your records (Reference Standard), the material is defined by CAS 885-70-1, formula C12H9N3O and molar mass 211.22 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Safe handling

It carries the GHS signal word Warning (H317 and H319), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Pirenzepine

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

Pirenzepine standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Pirenzepine EP Impurity B
Product namePirenzepine EP Impurity B
Catalogue numberZX-032887
CAS number885-70-1
IUPAC name5,11-dihydropyrido[2,3-b][1,4]benzodiazepin-6-one
Molecular formulaC12H9N3O
Molar mass211.22 g/mol
Exact mass211.0746
GradeReference Standard
Physical formSolid
XLogP31.6
H-bond donors / acceptors2 / 3
Topological polar surface area54 Ų
HS code38229090
InChIKeyMIRBIZDDMSFTKY-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=O)NC3=C(N2)N=CC=C3
PubChem CID70169
Synonyms5,6-Dihydro-6-oxo-11H-pyrido-[2,3-b][1,4]benzodiazepine, Pirenzepine dihydrochloride monohydrate - Impurity B, 5,11-Dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one, LS 75, 5,11-Dihydro-6H-pyrido(2,3-b)(1,4)benzodiazepin-6-one, 5,6-Dihydro-6-oxo-11H-pyrido[2,3-b][1,4]benzodiazepine, 11H-Pyrido[2,3-b][1,4]benzodiazepin-6(5H)-one, 2,4,9-triazatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-10-one, 5,11-dihydro-6H-pyrido-[2,3-b][1,4]-benzodiazepi, 5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin- 6-one, (6H)Pyrido[2,3-b][1,4]benzodiazepin-6-one, 5,11-dihydro-, 5,11-dihydro-6H-benzo[e]pyrido[3,2-b][1,4]diazepin-6-one

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation

Precautionary statements P261, P264 + P265, P272, P280, P302 + P352, P305 + P351 + P338, P321, P333 + P317, P337 + P317, P362 + P364, 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 Pirenzepine EP Impurity B
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 Pirenzepine EP Impurity B

Which CAS number identifies Pirenzepine EP Impurity B?
Pirenzepine EP Impurity B is registered under CAS 885-70-1. You may also see it listed as 5,6-Dihydro-6-oxo-11H-pyrido-[2,3-b][1,4]benzodiazepine, Pirenzepine dihydrochloride monohydrate - Impurity B, 5,11-Dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one. Our catalogue number for this item is ZX-032887.
What are the formula and molar mass of Pirenzepine EP Impurity B?
For Pirenzepine EP Impurity B, its formula is C12H9N3O and its molar mass is 211.22 g/mol. The systematic (IUPAC) name is 5,11-dihydropyrido[2,3-b][1,4]benzodiazepin-6-one. InChIKey MIRBIZDDMSFTKY-UHFFFAOYSA-N lets you match it in any structure database.
How is Pirenzepine EP Impurity B used in pharmaceutical QC?
Pirenzepine EP Impurity B is a characterised reference material linked to Pirenzepine. 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 Pirenzepine EP Impurity B?
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 Pirenzepine EP Impurity B?
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 Pirenzepine EP Impurity B to my country?
Yes. Because Pirenzepine EP Impurity B 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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