C6H6ClFN2
160.58 g/mol
Pharmaceutical IntermediateWarning
4-Chloro-6-ethyl-5-fluoropyrimidine
CAS137234-74-3EC604-010-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
4-Chloro-6-ethyl-5-fluoropyrimidine is a halogenated pyrimidine compound used as a pharmaceutical intermediate. It serves as a building block in the synthesis of various active pharmaceutical ingredients.
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
6-Ethyl-5-fluoro-pyrimidin-4-ol
CAS137234-87-8
pharmaceutical intermediate
ReferenceSame Category
4-ethyl-5-fluoropyrimidine
CAS137234-88-9
pharmaceutical intermediate
ReferenceSame Category
N-Boc-L-aspartic acid
CAS13726-67-5
pharmaceutical intermediate
ReferenceSame Category
Trans-N-boc-4-hydroxy-L-proline
CAS13726-69-7
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 4-Chloro-6-ethyl-5-fluoropyrimidine (CAS 137234-74-3) is 2933.59.
HS code (international, 6-digit)
2933.59
EU CN code (8-digit)
2933 59 95
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-chloro-6-ethyl-5-fluoropyrimidine
InChIKey
LKTGVRWVTAJGMS-UHFFFAOYSA-N
SMILES
CCC1=C(C(=NC=N1)Cl)F
Synonyms (4)
- Voriconazole Impurity 16
Sourcing 4-Chloro-6-ethyl-5-fluoropyrimidine?
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