An Analytical Reference Standard
Technical Support & Resources

Visit our FAQ

Contact Us

Toll Free Phone (USA and Canada Only): (888) 526-5351
Direct Phone: (734) 975-3888

Request Technical Support

Technical Support Request

To streamline the process attach the appropriate questionnaire to your inquiry.

Download IHC QuestionnaireDownload WB Questionnaire

View Our Privacy Statement for details on how we use and protect your data. In addition, this site is protected by hCaptcha and its Privacy Policy and Terms of Service apply.

Diphenhydramine (hydrochloride)

Item No. 22489

Synonyms
Synonyms
  • Difenhydramine
  • DPH
Technical Information
Formal Name
2-(diphenylmethoxy)-N,N-dimethyl-ethanamine, monohydrochloride
CAS Number
147-24-0
Molecular Formula
C17H21NO • HCl
Formula Weight
Purity
≥98%
Formulation
A crystalline solid
DMF: 10 mg/mlDMSO: 20 mg/mlEthanol: 30 mg/mlPBS (pH 7.2): 10 mg/ml
SMILES
CN(C)CCOC(C1=CC=CC=C1)C2=CC=CC=C2.Cl
InChi Code
InChI=1S/C17H21NO.ClH/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16;/h3-12,17H,13-14H2,1-2H3;1H
InChi Key
PCHPORCSPXIHLZ-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
Recommended Products

Certificates of Analysis & Batch Specific Data

Provide batch numbers separated by commas to download or request available product inserts, QC sheets, certificates of analysis, data packs, and GC-MS data.

    Add

    Add

    Cayman Chemical
    Cayman Spectral Library

    Our free, searchable, GC-MS spectral database contains 70eV EI mass spectral data of 2,000+ of Cayman’s forensic drug standards.

    DOWNLOAD THE DATABASE
    Product Description

    Diphenhydramine (hydrochloride) (Item No. 22489) is an analytical reference standard that is categorized as an antihistamine.1 It increases hallucinations and manic behavior associated with use of products marketed as bath salts.2 This product is intended for analytical forensic applications. This product is also available as a general research tool (Item No. 11158).

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Thurmond, R.L., Gelfand, E.W., and Dunford, P.J. The role of histamine H1 and H4 receptors in allergic inflammation: The search for new antihistamines. Nat. Rev. Drug Discov. 7(1), 41-53 (2008).

    2. Gunderson, E.W., Kirkpatrick, M.G., Willing, L.M., et alIntranasal substituted cathinone "bath salts" psychosis potentially exacerbated by diphenhydramine. J. Addict. Med. 7(3), 163-168 (2013).