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Pharmacopeial Impurities (EP / USP / BP)

Diazepam EP Impurity C

Reference StandardAvailable on request

Order Diazepam EP Impurity C (CAS 5220-02-0) online at Zemixal: C16H13ClN2O, COA and SDS with every lot, worldwide shipping.

Pack sizes
Diazepam EP Impurity C chemical structure
CAS number5220-02-0
FormulaC16H13ClN2O
Molar mass284.74 g/mol
Physical formSolid
HS code38229090
InChIKeyGHUMMQSCMAWOQZ-UHFFFAOYSA-N
IUPAC name3-amino-6-chloro-1-methyl-4-phenylquinolin-2-one

About Diazepam EP Impurity C

Diazepam EP Impurity C is supplied by Zemixal as a characterised reference material for Diazepam analysis. Identity at a glance (Reference Standard): CAS 5220-02-0, formula C16H13ClN2O and molar mass 284.74 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

Safe handling

Classified under GHS with signal word Danger and hazard statements H301, H302 and H319. Read the SDS before first use.

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 Diazepam

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

Diazepam standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Diazepam EP Impurity C
Product nameDiazepam EP Impurity C
Catalogue numberZX-024251
CAS number5220-02-0
IUPAC name3-amino-6-chloro-1-methyl-4-phenylquinolin-2-one
Molecular formulaC16H13ClN2O
Molar mass284.74 g/mol
Exact mass284.0716
GradeReference Standard
Physical formSolid
XLogP32.9
H-bond donors / acceptors1 / 2
Topological polar surface area46.3 Ų
HS code38229090
InChIKeyGHUMMQSCMAWOQZ-UHFFFAOYSA-N
SMILESCN1C2=C(C=C(C=C2)Cl)C(=C(C1=O)N)C3=CC=CC=C3
PubChem CID145782
SynonymsDiazepam - Impurity C, 3-Amino-6-chloro-1-methyl-4-phenylquinolin-2(1H)-one, 3-Amino-6-chloro-1-methyl-4-phenylcarbostyril, 3-Amino-6-chloro-1-methyl-4-phenyl-2(1H)-quinolinone, 2(1H)-Quinolinone, 3-amino-6-chloro-1-methyl-4-phenyl-, 3-Amino-6-chloro-1-methyl-4-phenyl-2-quinolinone, 3-Amino-1,2-dihydro-6-chloro-1-methyl-4-phenylquinolin-2(1H)-one, 3-Amino-6-chloro-1-methyl-4-phenyl-1H-quinolin-2-one, 3-amino-6-chloro-1-methyl-4-phenyl-quinolin-2-one, 2(1H)-Quinolinone,3-amino-6-chloro-1-methyl-4-phenyl-

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
  • H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P270, P280, P301 + P316, P301 + P317, P305 + P351 + P338, P321, P330, P337 + P317, 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 Diazepam EP Impurity C
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 Diazepam EP Impurity C

Which CAS number identifies Diazepam EP Impurity C?
Diazepam EP Impurity C is registered under CAS 5220-02-0. You may also see it listed as Diazepam - Impurity C, 3-Amino-6-chloro-1-methyl-4-phenylquinolin-2(1H)-one, 3-Amino-6-chloro-1-methyl-4-phenylcarbostyril. Our catalogue number for this item is ZX-024251.
What are the formula and molar mass of Diazepam EP Impurity C?
For Diazepam EP Impurity C, its formula is C16H13ClN2O and its molar mass is 284.74 g/mol. The systematic (IUPAC) name is 3-amino-6-chloro-1-methyl-4-phenylquinolin-2-one. InChIKey GHUMMQSCMAWOQZ-UHFFFAOYSA-N lets you match it in any structure database.
How is Diazepam EP Impurity C used in pharmaceutical QC?
Diazepam EP Impurity C is a characterised reference material linked to Diazepam. 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 Diazepam EP Impurity C?
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 Diazepam EP Impurity C?
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 Diazepam EP Impurity C to my country?
Yes. Because Diazepam EP Impurity C 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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