C5H6N2
94.11 g/mol
APIDanger
4-aminopyridine
CAS504-24-5EC207-987-9
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
4-Aminopyridine is an organic compound featuring a pyridine ring with an amino substituent. It is primarily utilized as an active pharmaceutical ingredient and also serves as an avicide for controlling nuisance birds.
Active pharmaceutical ingredientAvicide for sparrows, pigeons, starlings, crows, and other nuisance birdsChemical 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
Gamolenic acid
CAS506-26-3
pharmaceutical raw material
ReferenceSame Category
Arachidonic acid
CAS506-32-1
pharmaceutical raw material
ReferenceSame Category
Halometasone
CAS50629-82-8
pharmaceutical raw material
ReferenceSame Category
Terfenadine
CAS50679-08-8
pharmaceutical raw material
Referencestereoisomer of
4-Aminopyridine-d6
CAS45498-20-2
research compound
Safety Reference
Danger
H300Fatal if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
H401Toxic to aquatic life
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 4-aminopyridine (CAS 504-24-5) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
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
pyridin-4-amine
InChIKey
NUKYPUAOHBNCPY-UHFFFAOYSA-N
SMILES
C1=CN=CC=C1N
Synonyms (56)
- 4-AP
- FAMPYRA
- Dalfampridine (USAN)
- Dalfampridine, United States Pharmacopeia (USP)
- Fampridine (JAN/INN)
- 1,4-dihydropyridin-4-imine
- 3rxf
- 4-AMINOPYRDINE
- 4-Aminopyridine (4-AP)
- 4-Aminopyridine 10
- 4-Aminopyridine, PESTANAL(R)
- 4-Pyridinamine
- 4-Pyridylamine
- 4-aminopyridine
- Amaya
- Amino-4 pyridine
- Ampydin
- Ampyra
- Ampyra (TN)
- Ampyra Extended Release
- Avitrol
- Avitrol 200
- BIIB 041
- Compound 1861
- Dalfampridine
- Dalfampridine-ER
- FAMPRIDINE [MART.]
- Fampridine
- Fampridine (4-aminopyridine)
- Fampridine-PR
- Fampridine-SR
- Fampyra (TN)
- Frampridine
- Neurelan
- Neurelan (TN)
- Philips 1861
- Phillips 1861
- Pimadin (free base)
- Prc 1237
- Pymadin
- Pymadine
- Pyridine, 4-amino-
- VMI 10-3
- fampridina
- fampridinum
- gamma-Aminopyridine
- p-Aminopyridine
- para-aminopyridine
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