Cyclobenzaprine

环苯扎林

Also known as: 1-Propanamine, 3-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-, 10,11-dehydroamitriptyline, 3-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-1-propanamine, 3-(5h-dibenzo(a,d)cyclohepten-5-ylidene)-n,n-dimethyl-1-propanamine, 3-(dibenzo[1,2-a:1',2'-e][7]annulen-11-ylidene)-N,N-dimethylpropan-1-amine, 5-(3-Dimetilaminopropiliden)-5H-dibenzo-(a,d)-ciclopentene, 5H-Dibenzo(a,d)cycloheptene-delta5,gamma-propylamine, N,N-dimethyl-, Ciclobenzaprina, Cyclobenz, Cyclobenzaprinum, Flexeril, Lisseril, Proeptatriene, Proheptatrien, Proheptatriene, Yurelax, Amrix, MK 130

Cyclobenzaprine (CAS 303-53-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H21N and a molecular weight of 275.38700 g/mol. It is also known as 1-Propanamine, 3-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-, 10,11-dehydroamitriptyline and 3-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-1-propanamine. Key properties include a boiling point of 405.9ºC at 760 mmHg, a density of 1.096 g/cm3 and a flash point of 177.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
303-53-7
Jingsj CID
J-901126-9
Molecular Formula
C20H21N
Chinese Name
环苯扎林
Molecular Weight
275.38700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point405.9ºC at 760 mmHg
Density1.096 g/cm3
Flash Point177.8ºC

Frequently Asked Questions

What is the CAS number of Cyclobenzaprine?

The CAS number of Cyclobenzaprine is 303-53-7.

What are the molecular formula and molecular weight of Cyclobenzaprine?

Cyclobenzaprine has molecular formula C20H21N and molecular weight 275.38700 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Cyclobenzaprine (CAS 303-53-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-901126-9 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.