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Pharmacopeial Impurities (EP / USP / BP)

Trapidil EP Impurity A

Reference StandardAvailable on request

Order Trapidil EP Impurity A (CAS 2503-56-2) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-046395.

Pack sizes
Trapidil EP Impurity A chemical structure
CAS number2503-56-2
FormulaC6H6N4O
Molar mass150.14 g/mol
Physical formSolid
HS code38229090
InChIKeyINVVMIXYILXINW-UHFFFAOYSA-N
IUPAC name5-methyl-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one

About Trapidil EP Impurity A

Trapidil EP Impurity A is supplied by Zemixal as a characterised reference material for Trapidil analysis. Identity at a glance (Reference Standard): CAS 2503-56-2, formula C6H6N4O and molar mass 150.14 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Hazard communication follows GHS (Warning: 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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Trapidil

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

Trapidil 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 Trapidil EP Impurity A
Product nameTrapidil EP Impurity A
Catalogue numberZX-046395
CAS number2503-56-2
IUPAC name5-methyl-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one
Molecular formulaC6H6N4O
Molar mass150.14 g/mol
Exact mass150.0542
GradeReference Standard
Physical formSolid
XLogP3-0.5
H-bond donors / acceptors1 / 2
Topological polar surface area57.1 Ų
HS code38229090
InChIKeyINVVMIXYILXINW-UHFFFAOYSA-N
SMILESCC1=CC(=O)N2C(=N1)N=CN2
PubChem CID75629
SynonymsTrapidil - Impurity A, 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol, Methyl hydroxytriazaindolizine, [1,2,4]Triazolo[1,5-a]pyrimidin-7-ol, 5-methyl-, 5-Methyl-7-hydroxy-1,3,4-triazaindolizine, 5-Methyl-s-triazolo(1,5-a)pyrimidin-7-ol, s-Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl-, (1,2,4)Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl-, 5-Methyl-(1,2,4)triazolo(1,5-a)pyrimidin-7-ol, s-Triazolo[1,5-a]pyrimidin-7-ol, 5-methyl-, 1,2,4Triazolo1,5-apyrimidin-7-ol, 5-methyl-, s-Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl-(8CI)

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

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 Trapidil EP Impurity A
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 Trapidil EP Impurity A

Which CAS number identifies Trapidil EP Impurity A?
Trapidil EP Impurity A is registered under CAS 2503-56-2. You may also see it listed as Trapidil - Impurity A, 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol, Methyl hydroxytriazaindolizine. Our catalogue number for this item is ZX-046395.
What are the formula and molar mass of Trapidil EP Impurity A?
For Trapidil EP Impurity A, its formula is C6H6N4O and its molar mass is 150.14 g/mol. The systematic (IUPAC) name is 5-methyl-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one. InChIKey INVVMIXYILXINW-UHFFFAOYSA-N lets you match it in any structure database.
How is Trapidil EP Impurity A used in pharmaceutical QC?
Trapidil EP Impurity A is a characterised reference material linked to Trapidil. 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 Trapidil EP Impurity A?
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 Trapidil EP Impurity A?
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 Trapidil EP Impurity A to my country?
Yes. Because Trapidil EP Impurity A 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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