An Analytical Reference Standard
Related Products
Certified Reference Material(s)
40336Fenethylline (hydrochloride) (CRM)
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.

Fenethylline (hydrochloride)

Item No. 14146

Restricted Product (Schedule I)
Product Insert (PDF)GC-MS (PDF)Safety Data Sheet (SDS) (PDF)
Synonyms
Synonyms
  • Amphetaminoethyltheophylline
  • Amfetyline
  • NSC 169872
Technical Information
Formal Name
3,7-dihydro-1,3-dimethyl-7-[2-[(1-methyl-2-phenylethyl)amino]ethyl]-1H-purine-2,6-dione, monohydrochloride
CAS Number
1892-80-4
Molecular Formula
C18H23N5O2 • HCl
Formula Weight
377.9
Purity
≥98%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: 0.3 mg/mlDMSO: 0.5 mg/mlPBS (pH 7.2): 10 mg/ml
λmax
275 nm
SMILES
CN1C(N(C)C(N=CN2CCNC(C)CC3=CC=CC=C3)=C2C1=O)=O.Cl
InChi Code
InChI=1S/C18H23N5O2.ClH/c1-13(11-14-7-5-4-6-8-14)19-9-10-23-12-20-16-15(23)17(24)22(3)18(25)21(16)2;/h4-8,12-13,19H,9-11H2,1-3H3;1H
InChi Key
MVXGSLGVWBVZCA-UHFFFAOYSA-N
Regulatory Information
DEA Schedule
I
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.

Download most recent Certificate of Analysis for this product

    1 mg

    $90

    Add

    5 mg

    $392

    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

    Fenethylline (hydrochloride) (Item No. 14146) is an analytical reference standard categorized as a stimulant.1,2 Fenethylline is a theophylline derivative of amphetamine. It has been found in tablets seized by authorities.1 Formulations containing fenethylline have been used in the treatment of attention-deficit/hyperactivity disorder (ADHD) and narcolepsy. Fenethylline is regulated as a Schedule I compound in the United States. This product is intended for research and forensic applications.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Katselou, M., Papoutsis, I., Nikolaou, P., et al. Fenethylline (captagon) abuse - local problems from an old drug become universal. Basic Clin. Pharmacol. Toxicol. 119(2), 133-140 (2016).

    2. Kristen, G., Schaefer, A., and von Schlichtegroll, A. Fenetylline: Therapeutic use, misuse and/or abuse. Drug Alcohol Depend. 17(2-3), 259-271 (1986).