Norcyclobenzaprine

Name: Norcyclobenzaprine
Brand: Vaqora Chemicals
SKU: VQ-023307

About Norcyclobenzaprine

Listed under CAS 303-50-4, Norcyclobenzaprine is an impurity of Cyclobenzaprine available from Vaqora Chemicals. With the molecular formula C19H19N, it has a molar mass of 261.4 g/mol. Systematically, it is named N-methyl-3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaenylidene)propan-1-amine. Common synonyms include Desmethylcyclobenzaprine and 10,11-Dehydronortriptyline.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Cyclobenzaprine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Cyclobenzaprine

View every impurity, metabolite and intermediate we list for Cyclobenzaprine.

Cyclobenzaprine impurities

Specifications & identifiers

Chemical identifiers
Product name	Norcyclobenzaprine
Catalogue No.	VQ-023307
CAS Number	303-50-4
IUPAC name	N-methyl-3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaenylidene)propan-1-amine
Molecular formula	C₁₉H₁₉N
Molecular weight	261.4 g/mol
Exact mass	261.1517
Grade	Reference Standard
HSN code	38229090
InChIKey	XECQQDXTQRYYBH-UHFFFAOYSA-N
SMILES	CNCCC=C1C2=CC=CC=C2C=CC3=CC=CC=C31
PubChem CID	9918

Physical properties
Physical form	Solid
LogP (XLogP3)	4.7
H-bond donors / acceptors	1 / 1
TPSA	12 Å²
Synonyms	Desmethylcyclobenzaprine, 10,11-Dehydronortriptyline, 1-Propanamine, 3-(5H-dibenzo(a,d)cyclohepten-5-ylidene)-N-methyl-, 5H-Dibenzo(a,d)cycloheptene-DELTA5,gamma-propylamine, N-methyl-, 3-(5H-Dibenzo[a,d][7]annulen-5-ylidene)-N-methylpropan-1-amine, 3-(5H-Dibenzo(a,d)cyclohepten-5-ylidene)-N-methyl-1-propanamine, Dehydronortriptyline, N-Desmethylcyclobenzaprine, 5-[3-(methylamino)propylidene]-5H-dibenzo[a,d]cycloheptene, 3-(5H-dibenzo[a,d][7]annulen-5-ylidene)-N-methyl-1-propanamine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302+H312+H332Harmful if swallowed, in contact with skin or if inhaled
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Norcyclobenzaprine?

The CAS Registry Number of Norcyclobenzaprine is 303-50-4. It is also known as Desmethylcyclobenzaprine, 10,11-Dehydronortriptyline, 1-Propanamine, 3-(5H-dibenzo(a,d)cyclohepten-5-ylidene)-N-methyl-.

What is the molecular formula and molecular weight of Norcyclobenzaprine?

Norcyclobenzaprine has the molecular formula C19H19N and a molecular weight of 261.4 g/mol. Its IUPAC name is N-methyl-3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaenylidene)propan-1-amine.

What is Norcyclobenzaprine used for?

Norcyclobenzaprine is supplied as a characterised reference material related to Cyclobenzaprine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Norcyclobenzaprine can I order?

We supply Norcyclobenzaprine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Norcyclobenzaprine?

Yes. Every lot of Norcyclobenzaprine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Norcyclobenzaprine be shipped internationally?

Yes. Norcyclobenzaprine is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.