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Pharmacopeial Impurities (EP / USP / BP)

Nevirapine EP Impurity B

Reference StandardAvailable on request

Nevirapine EP Impurity B (CAS 287980-84-1) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Nevirapine EP Impurity B chemical structure
CAS number287980-84-1
FormulaC12H10N4O
Molar mass226.23 g/mol
Physical formSolid
HS code38229090
InChIKeyRKCRKBSFEVQVSX-UHFFFAOYSA-N
IUPAC name7-methyl-2,4,9,15-tetrazatricyclo[9.4.0.03,8]pentadeca-1(11),3,5,7,12,14-hexaen-10-one

About Nevirapine EP Impurity B

Zemixal lists Nevirapine EP Impurity B for laboratories that identify, quantify or control Nevirapine and its related substances. Identity at a glance (Reference Standard): CAS 287980-84-1, formula C12H10N4O and molar mass 226.23 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

It carries the GHS signal word Danger (H301 and H302), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes 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 Nevirapine

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

Nevirapine 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 Nevirapine EP Impurity B
Product nameNevirapine EP Impurity B
Catalogue numberZX-022260
CAS number287980-84-1
IUPAC name7-methyl-2,4,9,15-tetrazatricyclo[9.4.0.03,8]pentadeca-1(11),3,5,7,12,14-hexaen-10-one
Molecular formulaC12H10N4O
Molar mass226.23 g/mol
Exact mass226.0855
GradeReference Standard
Physical formSolid
XLogP31.3
H-bond donors / acceptors2 / 4
Topological polar surface area66.9 Ų
HS code38229090
InChIKeyRKCRKBSFEVQVSX-UHFFFAOYSA-N
SMILESCC1=C2C(=NC=C1)NC3=C(C=CC=N3)C(=O)N2
PubChem CID22399003
SynonymsNevirapine - Impurity B, 11-Descyclopropyl nevirapine, Nevirapine hemihydrate specified impurity B, Nevirapine, anhydrous specified impurity B, 5,11-Dihydro-4-methyl-6H-dipyrido(3,2-b:2',3'-E)(1,4)diazepin-6-one, 6H-Dipyrido(3,2-b:2',3'-E)(1,4)diazepin-6-one, 5,11-dihydro-4-methyl-, 4-Methyl-5,11-dihydro-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one, 5,11-dihydro-4-methyl-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one, Nevirapine impurity B RS

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
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H301Toxic if swallowed
  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P316, P301 + P317, 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 Nevirapine 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 Nevirapine EP Impurity B

Which CAS number identifies Nevirapine EP Impurity B?
Nevirapine EP Impurity B is registered under CAS 287980-84-1. You may also see it listed as Nevirapine - Impurity B, 11-Descyclopropyl nevirapine, Nevirapine hemihydrate specified impurity B. Our catalogue number for this item is ZX-022260.
What are the formula and molar mass of Nevirapine EP Impurity B?
For Nevirapine EP Impurity B, its formula is C12H10N4O and its molar mass is 226.23 g/mol. The systematic (IUPAC) name is 7-methyl-2,4,9,15-tetrazatricyclo[9.4.0.03,8]pentadeca-1(11),3,5,7,12,14-hexaen-10-one. InChIKey RKCRKBSFEVQVSX-UHFFFAOYSA-N lets you match it in any structure database.
How is Nevirapine EP Impurity B used in pharmaceutical QC?
Nevirapine EP Impurity B is a characterised reference material linked to Nevirapine. 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 Nevirapine 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 Nevirapine 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 Nevirapine EP Impurity B to my country?
Yes. Because Nevirapine 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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