C10H12O4
196.2 g/mol
Pharmaceutical IntermediateWarning
3,4,5-TRIMETHOXYBENZALDEHYDE
CAS86-81-7EC201-701-6
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
3,4,5-Trimethoxybenzaldehyde is a naturally occurring aromatic aldehyde found in plants such as Zanthoxylum ailanthoides and Acorus calamus. It is used as a pharmaceutical intermediate in the synthesis of trimethoprim, an antibacterial compound.
Pharmaceutical intermediate for trimethoprim synthesis
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
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4-CHLORO-5-FLUOROPYRIDINE-3-CARBOXYLIC ACID
CAS860296-20-4
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 3,4,5-TRIMETHOXYBENZALDEHYDE (CAS 86-81-7) 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
3,4,5-trimethoxybenzaldehyde
InChIKey
OPHQOIGEOHXOGX-UHFFFAOYSA-N
SMILES
COC1=CC(=CC(=C1OC)OC)C=O
Synonyms (6)
- 3,4,5-TRIMETHOXYBENZALDEHYDE
- 3,5-Trimethoxybenzaldehyde
- Trimethoprim Intermediates
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