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API Impurities

Isoniazid Impurity 1

Reference StandardAvailable on request

Order Isoniazid Impurity 1 (CAS 15420-02-7) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-036946.

Pack sizes
Isoniazid Impurity 1 chemical structure
CAS number15420-02-7
FormulaC12H8N4O
Molar mass224.22 g/mol
Physical formSolid
HS code38229090
InChIKeyFFGFSQOCKQVECP-UHFFFAOYSA-N
IUPAC name2,5-dipyridin-4-yl-1,3,4-oxadiazole

About Isoniazid Impurity 1

Analytical teams working on Isoniazid use Isoniazid Impurity 1 as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 15420-02-7, formula C12H8N4O and molar mass 224.22 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

Hazard communication follows GHS (Warning: H302, H315, H319 and H335). 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 Isoniazid

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

Isoniazid standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Isoniazid Impurity 1
Product nameIsoniazid Impurity 1
Catalogue numberZX-036946
CAS number15420-02-7
IUPAC name2,5-dipyridin-4-yl-1,3,4-oxadiazole
Molecular formulaC12H8N4O
Molar mass224.22 g/mol
Exact mass224.0698
GradeReference Standard
Physical formSolid
XLogP30.9
H-bond donors / acceptors0 / 5
Topological polar surface area64.7 Ų
HS code38229090
InChIKeyFFGFSQOCKQVECP-UHFFFAOYSA-N
SMILESC1=CN=CC=C1C2=NN=C(O2)C3=CC=NC=C3
PubChem CID699787
Synonyms2,5-Bis(4-pyridyl)-1,3,4-oxadiazole, 2,5-Di(pyridin-4-yl)-1,3,4-oxadiazole, 4,4'-(1,3,4-oxadiazole-2,5-diyl)dipyridine, 4-[5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl]pyridine, Pyridine,4,4'-(1,3,4-oxadiazole-2,5-diyl)bis-, Isoniazid Impurity 7, 2,5-di(4-pyridyl)-1,3,4-oxadiazole, Topiroxostat Impurity D

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

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • 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, 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 Isoniazid Impurity 1
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 Isoniazid Impurity 1

Which CAS number identifies Isoniazid Impurity 1?
Isoniazid Impurity 1 is registered under CAS 15420-02-7. You may also see it listed as 2,5-Bis(4-pyridyl)-1,3,4-oxadiazole, 2,5-Di(pyridin-4-yl)-1,3,4-oxadiazole, 4,4'-(1,3,4-oxadiazole-2,5-diyl)dipyridine. Our catalogue number for this item is ZX-036946.
What are the formula and molar mass of Isoniazid Impurity 1?
For Isoniazid Impurity 1, its formula is C12H8N4O and its molar mass is 224.22 g/mol. The systematic (IUPAC) name is 2,5-dipyridin-4-yl-1,3,4-oxadiazole. InChIKey FFGFSQOCKQVECP-UHFFFAOYSA-N lets you match it in any structure database.
How is Isoniazid Impurity 1 used in pharmaceutical QC?
Isoniazid Impurity 1 is a characterised reference material linked to Isoniazid. 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 Isoniazid Impurity 1?
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 Isoniazid Impurity 1?
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 Isoniazid Impurity 1 to my country?
Yes. Because Isoniazid Impurity 1 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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