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

CERILLIANT™ Diphenhydramine N-Oxide Hydrochloride Solution, 500 μg/mL, Sold by MilliporeSigma™ Supelco™

Certified reference material

Manufacturer:  MilliporeSigma Supelco D1861ML

Catalog No. 01-001-260

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



Diphenhydramine N-oxide is a major metabolite of diphenhydramine. Diphenhydramine is an antihistamine sold over the counter under the trade name Benadryl and in other over the counter medications such as Tylenol PM, Advil PM, and Excedrin PM. Dihydramine is also consumed recreationally as a euphoriant and a deliriant.


500 μg/mL (acetonitrile:0.05% aqueous phosphoric acid (70:30) (v/v))
1 mL
C17H21NO2 · HCl
6°C (42.8°F) - closed cup
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