AllopurinolCAS: 315-30-0
MW: 136.11
An anti-urolithic Xanthine oxidase inhibitor.

Allopurinol (CAS 315-30-0)

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Synonym: 4-Hydroxypyrazol[3,4-D]pyrimidine; Zyloprim; Lopurin; Milurit
Application: An anti-urolithic Xanthine oxidase inhibitor
CAS Number: 315-30-0
Purity: ≥98%
Molecular Weight: 136.11
Molecular Formula: C5H4N4O
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* Refer to Certificate of Analysis for lot specific data (including water content).
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Allopurinol is an anti-urolithic Xanthine oxidase inhibitor that decreases uric acid production.


Benezra, S.A., et al.: Anal. Profiles Drug Subs., 7, 1, (1978), Dalbeth, N., et al.: Rheumatology, 44, 1090 (2005), Dinarello, C., et al.: J. Exp. Med., 201, 1355 (2005),

Physical State :
Solubility :
Soluble in DMSO
Storage :
Store at 4° C
Melting Point :
>340°C (lit.)(dec.)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
PubChem CID :

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What is the recommended concentration for solubility in DMSO?

Asked by: chemicalsmg
Thank you for your question. Allopurinol, sc-207272, is soluble in DMSO at approximately 3 mg/ml.
Answered by: TechService7
Date published: 2017-01-19
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