C4H9N
71.12 g/mol
Pharmaceutical IntermediateDanger
Tetrahydropyrrole
CAS123-75-1EC204-648-7
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
Tetrahydropyrrole, also known as This compound, is a colorless liquid organic compound that serves as a cyclic secondary amine. It is miscible with water and most organic solvents and is primarily used as a pharmaceutical intermediate.
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
StrongStructure SimilarSimilarity 0.89
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SimilarStructure SimilarSimilarity 0.75
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Safety Reference
Danger
H225Highly flammable liquid and vapour
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H332Harmful if inhaled
H301Toxic if swallowed
H330Fatal if inhaled
H370Causes damage to organs
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Tetrahydropyrrole (CAS 123-75-1) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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
pyrrolidine
InChIKey
RWRDLPDLKQPQOW-UHFFFAOYSA-N
SMILES
C1CCNC1
Synonyms (37)
- (s)-pyrrolidine
- 1-Azacyclopentane
- 1-Pyrrolidinobutyronitrile
- 14-pyrrolidine
- Azacyclopentane
- Azolidine
- Butylenimine
- FEMA 3523
- Perhydropyrrole
- Pirrolidine
- Prolamine
- Pyrrole, tetrahydro-
- Pyrrolidine
- Pyrrolidine ring
- Pyrrolidine, puriss. p.a.
- Pyrrolidinepyrrolidine
- Pyrrollidine
- Tetrahydropyrrole
- Tetramethyleneimine
- Tetramethylenimine
- pyrolidine
- pyrollidine
- pyrroldine
- pyrrolidin
- pyrrolidine LT phase at 135K
- pyrrolidine LT phase at 205K
- pyrrolodine
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