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Allopurinol

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Allopurinol molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of Allopurinol (CAS 315-30-0). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS315-30-0
Molecular formulaC5H4N4O
Molecular weight136.11 g/mol
IUPAC name1,5-dihydropyrazolo[5,4-d]pyrimidin-4-one
Synonyms1H-Pyrazolo[3,4-d]pyrimidin-4-ol · Zyloric · Suspendol · Takanarumin · Allopur · Bloxanth
Safety & Hazards (GHS) Danger
Acute toxic Acute toxic
  • H301 Toxic if swallowed
  • H317 May cause an allergic skin reaction

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma ALLOPURINOL A0350000
A8003-25G
A8003-5G
PHR1377-1G		 Request Quote
Sigma ALLOPURINOL, UNITED STATES PHARMACOPEIA 1013002-250MG Request Quote
Sigma Allopurinol, British Pharmacopoeia (BP) BP870 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.