C5H4N4O2
152.11 g/mol
APIWarning
Oxypurinol
CAS2465-59-0EC219-570-9
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Oxypurinol is an active metabolite of allopurinol and functions as an inhibitor of xanthine oxidase. It is primarily cleared through the kidneys, and accumulation can occur in cases of renal impairment.
pharmaceutical raw material for xanthine oxidase inhibitor manufacturing
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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Referencestereoisomer of
(3-¹³C,1,2-¹⁵N₂)-1H-Pyrazolo[3,4-d]pyrimidine-4,6(2H,5H)-dione
CAS1217036-71-9
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Oxypurinol (CAS 2465-59-0) is 2933.59.
HS code (international, 6-digit)
2933.59
EU CN code (8-digit)
2933 59 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1,7-dihydropyrazolo[5,4-d]pyrimidine-4,6-dione
InChIKey
HXNFUBHNUDHIGC-UHFFFAOYSA-N
SMILES
C1=NNC2=C1C(=O)NC(=O)N2
Synonyms (41)
- DHPP
- Oxipurinol (INN)
- Oxipurinolum [INN-Latin]
- Oxypurinol (USAN)
- 1H,3H,9H-Alloxanthine
- 1H-Pyrazolo[3,6(5H,7H)-dione
- 1H-Pyrazolo[3,6-diol
- 6-Hydroxy allopurinol
- Alloxanthin (VAN)
- Alloxanthine
- B. W. 55-5
- Ossipurinolo
- Oxipurinol
- Oxipurinolum
- Oxoallopurinol
- Oxypurinol
- Oxypurinol (Standard)
- Oxypurinol, >=98% (HPLC)
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