C7H6O3
138.12 g/mol
Pharmaceutical IntermediateWarning
2,4-DIHYDROXYBENZALDEHYDE
CAS95-01-2EC202-383-1
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
2,4-Dihydroxybenzaldehyde is a dihydroxybenzaldehyde derived from resorcinol, where a formyl group is substituted para to one of the hydroxy groups. It is commonly used as a pharmaceutical intermediate and building block in chemical synthesis.
Pharmaceutical intermediate and building block
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
Thianaphthene
CAS95-15-8
pharmaceutical intermediate
ReferenceSame Category
5-amino-2-hydroxybenzimidazole
CAS95-23-8
pharmaceutical intermediate
ReferenceSame Category
O-fluorotoluene
CAS95-52-3
pharmaceutical intermediate
ReferenceSame Category
Methylhydroquinone
CAS95-71-6
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,4-DIHYDROXYBENZALDEHYDE (CAS 95-01-2) is 2912.49.
HS code (international, 6-digit)
2912.49
EU CN code (8-digit)
2912 49 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
2,4-dihydroxybenzaldehyde
InChIKey
IUNJCFABHJZSKB-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1O)O)C=O
Synonyms (27)
- 2,4-DIHYDROXYBENZALDEHYDE
- 2,4-Dihydroxybenzaldehyd
- 2,4-Dihydroxybenzenecarbonal
- 2,4-Dihydroxybezaldehyde
- 2,4-Dihyroxybenzaldehyde
- 2,4-dihydoxy-benzaldehyde
- 2,4-dihydroxylbenzaldehyde
- 4-Formylresorcinol
- 4-Hydroxysalicyladehyde
- 4-Hydroxysalicylaldehyde
- ?-Resorcylaldehyde
- A-Resorcylaldehyde
- AP-065/40195541
- Benzaldehyde, 2,4-dihydroxy-
- DIHYDROXYBENZALDEHYDE, 2,4-
- Resorcinal
- Salicylaldehyde, 4-hydroxy-
- b-Resorcaldehyde
- b-Resorcinaldehyde
- b-Resorcylic aldehyde
- b-resorcylaldehyde
- beta-Resorcaldehyde
- beta-Resorcinaldehyde
- beta-Resorcylaldehyde
- beta-Resorcylic aldehyde
- beta-Rosorcaldehyde
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