Merck
All Photos(3)

A8003

Sigma-Aldrich

Allopurinol

xanthine oxidase inhibitor

Synonym(s):
1H-Pyrazolo(3,4-d)pyrimidin-4-ol, 4-Hydroxypyrazolo(3,4-d)pyrimidine, 4-Hydroxypyrazolo[3,4-d]pyrimidine, HPP
Empirical Formula (Hill Notation):
C5H4N4O
CAS Number:
Molecular Weight:
136.11
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.77

biological source

synthetic (organic)

Quality Level

assay

≥99% (TLC)

form

powder

mp

>300 °C (lit.)

solubility

1 M NaOH: soluble 50 mg/mL, clear to very slightly hazy, colorless to faintly yellow

storage temp.

room temp

SMILES string

O=C1NC=Nc2[nH]ncc12

InChI

1S/C5H4N4O/c10-5-3-1-8-9-4(3)6-2-7-5/h1-2H,(H2,6,7,8,9,10)

InChI key

OFCNXPDARWKPPY-UHFFFAOYSA-N

Gene Information

human ... XDH(7498)

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Application

Allopurinol is suitable for:
  • intravenous injection in mice for inhibition of xanthine oxidase
  • use as an inhibitor of xanthine oxidase
  • use as a positive control in xanthine oxidase inhibition assay
  • use in the preparation of University of Wisconsin solution for osmotic stabilization to enhance the density differences between islets and acinar fragments during porcine islet purification

Packaging

5, 25 g in glass bottle

Biochem/physiol Actions

Inhibitor of xanthine oxidase and de novo pyrimidine biosynthesis. A classical agent in treatment of hyperuricemia and gout.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Skin Sens. 1

Storage Class Code

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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