Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

CERILLIANT™ N-Desmethylcyclobenzaprine-D3 Hydrochloride Solution, 100 μg/mL in Methanol, Sold by MilliporeSigma™ Supelco™

Certified reference material

Manufacturer:  MilliporeSigma Supelco D0891ML

Catalog No. 01-001-209

Due to product restrictions, please to purchase or view availability for this product.



N-Desmethylcyclobenzaprine, or norcyclobenzaprine, is the major urinary metabolite of the skeletal muscle relaxant cyclobenzaprine, sold under trade names such as Flexeril™, Fexmid™, and Amrix™. Cyclobenzaprine is used to relieve skeletal muscle spasms and associated pain from acute musculoskeletal conditions. This internal standard is suitable for quantitation of norcyclobenzaprine levels in urine by LC/MS or GC/MS testing methods in pain prescription monitoring, forensic analysis, urine drug testing, or clinical toxicology.


100 μg/mL in methanol (as free base)
1 mL
C19H16D3N · HCl
UN 1230 - class 3 - PG 2 - Methanol, solution
9.7°C (49.5°F)
Safety and Handling

Safety and Handling



Provide Content Correction

We continue to work to improve your shopping experience and your feedback regarding this content is very important to us. Please use the form below to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Cancel Submit

CERILLIANT is a registered trademark of Cerilliant Corporation