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Home/Compounds/Pharmaceutical Intermediate/7-Hydroxy-5-methyl-1,3,4-triazaindolizine
C6H6N4O
150.14 g/mol
Pharmaceutical IntermediateWarning

5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol

CAS2503-56-2EC219-706-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate

This compound is a triazolopyrimidinone derivative used as an intermediate in pharmaceutical manufacturing. It features a heterocyclic structure with both aromatic rings and a ketone functional group.

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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ReferenceSame Category

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ReferenceSame Category

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Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name

5-methyl-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one

InChIKey

INVVMIXYILXINW-UHFFFAOYSA-N

SMILES

CC1=CC(=O)N2C(=N1)N=CN2

Synonyms (34)
  • Trapidil EP Impurity A
  • Trapidil impurity A, European Pharmacopoeia (EP)
  • Trapidil impurity A
  • Trapidil impurity A CRS
  • US10975084, Example 8-4
  • s-Triazolo[1, 5-methyl-