C20H21N
275.4 g/mol
APIDanger
Cyclobenzaprine
CAS303-53-7EC206-145-8
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
Cyclobenzaprine is a centrally acting skeletal muscle relaxant active pharmaceutical ingredient. It is structurally related to tricyclic antidepressants and also exhibits tranquilizing properties.
Pharmaceutical raw material for muscle relaxant formulationsResearch compound for central nervous system studies
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
StrongSame Parent
Cyclobenzaprine hydrochloride
CAS6202-23-9
pharmaceutical raw material
ReferenceSame Category
Ubidecarenone
CAS303-98-0
pharmaceutical raw material
ReferenceSame Category
1-DOCOSANOL
CAS30303-65-2
pharmaceutical raw material
ReferenceSame Category
N-Nitroso Desbutyl Bupivacaina
CAS3035512-94-5
pharmaceutical raw material
ReferenceSame Category
N-Nitroso propafenone
CAS3036581-87-7
pharmaceutical raw material
Safety Reference
Danger
H301Toxic if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Customs Tariff Classification
The international HS code for Cyclobenzaprine (CAS 303-53-7) is 2921.49.
HS code (international, 6-digit)
2921.49
EU CN code (8-digit)
2921 49 00
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
N,N-dimethyl-3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaenylidene)propan-1-amine
InChIKey
JURKNVYFZMSNLP-UHFFFAOYSA-N
SMILES
CN(C)CCC=C1C2=CC=CC=C2C=CC3=CC=CC=C31
Synonyms (46)
- Ciclobenzaprina [INN-Spanish]
- Cyclobenzaprine (INN)
- Cyclobenzaprine; Amitriptyline EP Impurity B; Nortriptyline Hydrochloride EP Impurity E
- Cyclobenzaprinum [INN-Latin]
- 10,11-Dehydroamitriptyline
- 9715 R.P
- Amrix (Salt/Mix)
- Ciclobenzaprina
- Cyclobenzaprinum
- Cycloflex (Salt/Mix)
- Fexmid
- Flexeril (Salt/Mix)
- Flexeril hydrochloride
- Lisseril
- MK-130 (AS THE BASE)
- MK-130 HCl
- Proeptatriene
- Proeptatriene [Italian]
- Proheptatrien
- Proheptatriene
- Ro 4-1577
- US8629135, SW-01
- cyclobenzaprin
- cyclobenzaprine
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