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D-088 Cerilliant

N-Desmethylcyclobenzaprine hydrochloride solution

1.0 mg/mL in methanol (as free base), ampule of 1 mL, certified reference material

  • CAS Number 438-59-5

  • Empirical Formula (Hill Notation) C19H19N · HCl

  • Molecular Weight 297.82

  •  MDL number MFCD01731061

  •  PubChem Substance ID 329798646



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Certified Reference Materials (CRMs), Certified Reference Materials from Cerilliant,
grade   certified reference material
feature   (Snap-N-Spike®)
packaging   ampule of 1 mL
concentration   1.0 mg/mL in methanol (as free base)
format   single component solution
storage temp.   −20°C


General description

A certified Snap-N-Spike® Solution suitable for cyclobenzaprine testing methods by GC/MS or LC/MS for applications in pain prescription monitoring, forensic analysis, urine drug testing, or clinical toxicology. Also known as norcyclobenzaprine, N-desmethylcyclobenzaprine is the major urinary metabolite of the skeletal muscle relaxant cyclobenzaprine. Cyclobenzaprine, sold under trade names Flexeril®, Fexmid®, and Amrix®, is used to relieve skeletal muscle spasms and associated pain from acute musculoskeletal conditions.

Legal Information

Amrix is a registered trademark of Ivax International GMBH LLC

Fexmid is a registered trademark of Shionogi Inc.

Flexeril is a registered trademark of ALZA Corporation

Snap-N-Spike is a registered trademark of Cerilliant Corporation

Price and Availability

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
UN1230 - class 3 - PG 2 - Methanol, solution
WGK Germany 
Flash Point(F) 
48.2 °F
Flash Point(C) 
9 °C


Certificate of Analysis

Protocols & Articles


Medication Monitoring Testing

Prescription monitoring requires accurate reference standards to ensure consistent and reliable results for drug confirmation and monitoring compliance.
Keywords: Anti-depressants, Anticonvulsants, Cardiovascular, Clinical, Controlled substances, Diabetes, Forensic, Gas chromatography, High performance liquid chromatography, Ion-exchange chromatography, Mass spectrometry, Metabolites, Pharmaceutical, Schizophrenia

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