C4H5N
67.09 g/mol
Pharmaceutical IntermediateDanger
Cyclopropanecarbonitrile
CAS5500-21-0EC226-836-8
Category
Pharmaceutical Intermediate
Compound Class
n.a
Primary Use
Pharmaceutical Intermediate
Cyclopropanecarbonitrile, also known as cyclopropyl cyanide, is a nitrile compound containing a cyclopropane ring. It is used as a pharmaceutical intermediate in the synthesis of various drug compounds.
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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Safety Reference
Danger
H226Flammable liquid and vapour
H301Toxic if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H330Fatal if inhaled
H331Toxic if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Cyclopropanecarbonitrile (CAS 5500-21-0) is 2926.90.
HS code (international, 6-digit)
2926.90
EU CN code (8-digit)
2926 90 70
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
cyclopropanecarbonitrile
InChIKey
AUQDITHEDVOTCU-UHFFFAOYSA-N
SMILES
C1CC1C#N
Synonyms (11)
- 1-Cyanocyclopropane
- Cyanocyclopropane
- Cyclopropanecarbonitrile
- Cyclopropanenitrile
- Cyclopropyl cyanide
- Cyclopropylnitrile
- cyclopropancarbonitril
- cyclopropankohlenitrile
- cyclopropropanecarbonitrile
- cyclopropylcarbonitrile
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