Cyclobenzaprine
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. 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-901126-1
- Molecular Formula
- C20H21N
- Molecular Weight
- 275.38700 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 405.9ºC at 760 mmHg |
|---|---|
| Density | 1.096 g/cm3 |
| Flash Point | 177.8ºC |
| Exact Mass | 275.16700 |
| PSA | 3.24000 |
| LogP | 4.55380 |
| Refractive Index | 1.7500 (estimate) |
Customs & Trade Information
| HS Code | 2921499090 |
|---|---|
| Summary | 2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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.
What are the upstream and downstream products of Cyclobenzaprine?
For Cyclobenzaprine, Upstream Products: 5-[3-(dimethylamino)propyl]-5H-dibenzo[a,d]cyclohepten-5-ol, 3-Chloro-N,N-dimethylpropan-1-amine, Dibenzosuberenone.
Data compiled from public chemical databases such as PubChem 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-901126-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.