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Pharmacopeial Impurities (EP / USP / BP)

Pirfenidone EP Impurity B

Reference StandardAvailable on request

Order Pirfenidone EP Impurity B (CAS 1003-68-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Pirfenidone EP Impurity B chemical structure
CAS number1003-68-5
FormulaC6H7NO
Molar mass109.13 g/mol
Physical formSolid
HS code38229090
InChIKeySOHMZGMHXUQHGE-UHFFFAOYSA-N
IUPAC name5-methyl-1H-pyridin-2-one

About Pirfenidone EP Impurity B

Analytical teams working on Pirfenidone use Pirfenidone EP Impurity B as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 1003-68-5, formula C6H7NO and molar mass 109.13 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Hazard communication follows GHS (Danger: H302, H315, H318 and H319). Our SDS lists exposure controls and first-aid measures.

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. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Pirfenidone

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

Pirfenidone standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Pirfenidone EP Impurity B
Product namePirfenidone EP Impurity B
Catalogue numberZX-022499
CAS number1003-68-5
IUPAC name5-methyl-1H-pyridin-2-one
Molecular formulaC6H7NO
Molar mass109.13 g/mol
Exact mass109.0528
GradeReference Standard
Physical formSolid
XLogP30.1
H-bond donors / acceptors1 / 1
Topological polar surface area29.1 Ų
HS code38229090
InChIKeySOHMZGMHXUQHGE-UHFFFAOYSA-N
SMILESCC1=CNC(=O)C=C1
PubChem CID70482
Synonyms2-Hydroxy-5-Picoline, 2-Hydroxy-5-Picoline(Pirfenidone impurity), Pirfenidone - Impurity B, Pirfenidone Related Compound B, 2-Hydroxy-5-methylpyridine, 5-Methyl-2-pyridone, 5-Methyl-2(1H)-pyridinone, 5-methylpyridin-2-ol, 5-Methylpyridin-2(1H)-one, 5-Methyl-2-pyridinol, 2-Pyridinol, 5-methyl-, 2(1H)-Pyridinone, 5-methyl-

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Pirfenidone 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 Pirfenidone EP Impurity B

Which CAS number identifies Pirfenidone EP Impurity B?
Pirfenidone EP Impurity B is registered under CAS 1003-68-5. You may also see it listed as 2-Hydroxy-5-Picoline, 2-Hydroxy-5-Picoline(Pirfenidone impurity), Pirfenidone - Impurity B. Our catalogue number for this item is ZX-022499.
What are the formula and molar mass of Pirfenidone EP Impurity B?
For Pirfenidone EP Impurity B, its formula is C6H7NO and its molar mass is 109.13 g/mol. The systematic (IUPAC) name is 5-methyl-1H-pyridin-2-one. InChIKey SOHMZGMHXUQHGE-UHFFFAOYSA-N lets you match it in any structure database.
How is Pirfenidone EP Impurity B used in pharmaceutical QC?
Pirfenidone EP Impurity B is a characterised reference material linked to Pirfenidone. 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 Pirfenidone 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 Pirfenidone 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 Pirfenidone EP Impurity B to my country?
Yes. Because Pirfenidone 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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