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.

RCS-4 (exempt preparation)

Item No. 15666

Exempt Product (US)
Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Synonyms
Synonyms
  • BTM-4
  • E-4
  • OBT-199
  • SR-19
Technical Information
Formal Name
(4-methoxyphenyl)(1-pentyl-1H-indol-3-yl)methanone
CAS Number
1345966-78-0
Molecular Formula
C21H23NO2
Formula Weight
321.4
Purity
≥98%
Formulation
A 1 mg/ml solution in methanol
λmax
214, 263, 320 nm
SMILES
CCCCCN1C=C(C(C2=CC=C(OC)C=C2)=O)C3=C1C=CC=C3
InChi Code
InChI=1S/C21H23NO2/c1-3-4-7-14-22-15-19(18-8-5-6-9-20(18)22)21(23)16-10-12-17(24-2)13-11-16/h5-6,8-13,15H,3-4,7,14H2,1-2H3
InChi Key
OZCYJKDWRUIFFE-UHFFFAOYSA-N
Regulatory Information
DEA Exempt Notification
This product is a DEA exempt preparation of a scheduled compound - does not require DEA Controlled Substance registration or DEA 222 form. For alternate sizes please contact sales.
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

    $69

    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

    RCS-4 (exempt preparation) (Item No. 15666) is an analytical reference standard structurally similar to known synthetic cannabinoids. It has been found in various herbal incense products.1 RCS-4 is regulated as a Schedule I compound in the United States. RCS-4 (exempt preparation) (Item No. 15666) is provided as a DEA exempt preparation. 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. Kikura-Hanajiri, R., Uchiyama, N., and Goda, Y. Survey of current trends in the abuse of psychotropic substances and plants in Japan. Leg. Med. (Tokyo) 13(3), 109-115 (2011).