C8H11ClN2O
186.64 g/mol
Pharmaceutical IntermediateWarning
2-Butyl-4-chloro-5-formylimidazole
CAS83857-96-9EC410-260-0
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2-Butyl-4-chloro-5-formylimidazole is a chemical compound used as a pharmaceutical intermediate. Its crystal structure was determined following microwave-assisted synthesis, as reported in the literature.
Pharmaceutical intermediate
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 cis-4-amino-3-methoxypiperidine-1-carboxylate monohydrochloride
CAS83863-71-2
pharmaceutical intermediate
ReferenceSame Category
Dimethylmethoxy chromanol
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pharmaceutical intermediate
ReferenceSame Category
1-(2-AMINO-1-(4-METHOXYPHENYL)ETHYL)CYCLOHEXANOL HOAC SALT
CAS839705-03-2
pharmaceutical intermediate
ReferenceSame Category
Magnesium mono-p-nitrobenzyl malonate
CAS83972-01-4
pharmaceutical intermediate
Safety Reference
Warning
H317May cause an allergic skin reaction
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 2-Butyl-4-chloro-5-formylimidazole (CAS 83857-96-9) is 2933.29.
HS code (international, 6-digit)
2933.29
EU CN code (8-digit)
2933 29 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
2-butyl-5-chloro-1H-imidazole-4-carbaldehyde
InChIKey
JLVIHQCWASNXCK-UHFFFAOYSA-N
SMILES
CCCCC1=NC(=C(N1)Cl)C=O
Synonyms (33)
- LOSARTAN POTASSIUM IMPURITY D (EP IMPURITY)
- Losartan EP Impurity D
- Losartan impurity D, European Pharmacopoeia (EP)
- LOSARTAN POTASSIUM IMPURITY D
- Losartan impurity D CRS
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