C5H5NO2
111.1 g/mol
Pharmaceutical IntermediateWarning
2,4-DIHYDROXYPYRIDINE
CAS626-03-9EC210-924-8
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2,4-Dihydroxypyridine is a chemical compound used as a pharmaceutical intermediate. Its primary significance lies in its role in the manufacturing of active ingredients for anticancer research.
Pharmaceutical intermediate for anticancer researchRaw material in pharmaceutical 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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Related Compounds
ReferenceSame Category
Ethyl (Z)-3-aminocrotonate
CAS626-34-6
pharmaceutical intermediate
ReferenceSame Category
Ethyl nitroacetate
CAS626-35-7
pharmaceutical intermediate
ReferenceSame Category
6-methyluracil
CAS626-48-2
pharmaceutical intermediate
ReferenceSame Category
3-bromopyridine
CAS626-55-1
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,4-DIHYDROXYPYRIDINE (CAS 626-03-9) is 2933.79.
HS code (international, 6-digit)
2933.79
EU CN code (8-digit)
2933 79 00
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
4-hydroxy-1H-pyridin-2-one
InChIKey
ZEZJPIDPVXJEME-UHFFFAOYSA-N
SMILES
C1=CNC(=O)C=C1O
Synonyms (22)
- 2(1H)-Pyridinone, 4-hydroxy-
- 2(1H)-Pyridone, 4-hydroxy-
- 2,4-DIHYDROXYPYRIDINE
- 2,4-Pyridinediol
- 2-hydroxy-1H-pyridin-4-one
- 2-hydroxypyridin-4(1H)-one
- 3-Deazauracil
- 4(1H)-Pyridinone, 2-hydroxy-
- 4-HYDROXY-2-PYRIDINONE
- 4-Hydroxy-2(1H)-pyridinone
- 4-Hydroxy-2-pyridone
- 4-Hydroxypyridin-2(1H)-one
- 4-Hydroxypyridinol
- 4-hydroxy-1H-2-pyridone
- 4-hydroxy-1h-pyridin-2-one
- 4-hydroxy-2(1H)-pyridone
- 4-hydroxy-2-oxopyridine
- 4-hydroxypyridone
- pyridine, 2,4-dihydroxy-
- pyridine-2,4-diol
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