C5H4ClNO2
145.54 g/mol
Pharmaceutical IntermediateDanger
5-Methylisoxazole-3-carbonyl chloride
CAS39499-34-8EC254-475-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
5-Methylisoxazole-3-carbonyl chloride is a chemical compound used as a pharmaceutical intermediate. It features an aromatic heterocyclic ring with a reactive acyl chloride group, making it suitable for use in organic synthesis and drug manufacturing.
Pharmaceutical intermediateBuilding block for organic 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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Referencesame scaffold
5-Methylisoxazole-3-carboxylic acid
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research compound
Referencesame scaffold
Methyl 5-methylisoxazole-3-carboxylate
CAS19788-35-3
pharmaceutical intermediate
Referencesame scaffold
4-Bromo-3-methylisoxazole
CAS101084-19-9
research compound
Referencesame scaffold
5-amino-3-methylisoxazole
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research compound
Safety Reference
Danger
H314Causes severe skin burns and eye damage
Customs Tariff Classification
The international HS code for 5-Methylisoxazole-3-carbonyl chloride (CAS 39499-34-8) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
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
5-methyl-1,2-oxazole-3-carbonyl chloride
InChIKey
XMVNMWDLOGSUSM-UHFFFAOYSA-N
SMILES
CC1=CC(=NO1)C(=O)Cl
Synonyms (9)
- 5-methyl-3-isoxazoyl chloride
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