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Join us! · ENDO 2015 · San Diego, California · March 5-8, 2015 · Booth 1935
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Cayman is a manufacturer, supplier, and vendor of biochemical reagents, assay kits, forensic chemistry standards, antibodies, and proteins for scientific research. Analytical testing services and custom synthesis are also available.

Cayman Chemical Company · 1180 East Ellsworth Road · Ann Arbor, Michigan 48108 · USA

Toll Free: (800) 364-9897 (USA and Canada Only) · Fax: (734) 971-3640

Copyright 2015 Cayman Chemical Company


Cayman Chemical Item Number 10645

E-4; BTM-4; OBT-199; SR-19 (CAS 1345966-78-0)

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RCS-4 is a synthetic JWH 018 cannabinoid analog that has been identified as a component of several different ‘herbal incense’ products.1 The biological activity of RCS-4 has not been reported.

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) 109-15 (2011).

  • E-4
  • BTM-4
  • OBT-199
  • SR-19
Formal Name (4-​methoxyphenyl)(1-​pentyl-​1H-​indol-​3-​yl)methanone
CAS Number 1345966-78-0
Molecular Formula C21H23NO2
Formula Weight 321.4
Formulation A crystalline solid
Purity ≥98%
λmax 214, 263, 320 nm
Stability 1 year
Storage -20°C
Shipping Room temperature in continental US; may vary elsewhere
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Size Price Quantity Subtotal
1 mg $35.00 $0.00
5 mg $153.00 $0.00
10 mg $280.00 $0.00
Bulk Contact
Cart Total $0.00

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Pricing updated 2015-03-03. Prices are subject to change without notice.

To ask for assistance with one of our products please contact a Technical Support Scientist.

This product requires special processing and/or additional information
        before it can be shipped. A Customer Service representative will
        contact you within 24 hours of receipt of your order.

This product is a controlled substance and special processing is required before shipping.

Warning This product is not for human or veterinary use.

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RCS-4 2-methoxy isomer
RCS-4 3-methoxy isomer
RCS-4 4-hydroxyphenyl metabolite
RCS-4-C4 homolog
RCS-4 (exempt preparation)
RCS-4 M10 metabolite
RCS-4 M11 metabolite
RCS-4 M9 metabolite
RCS-4 N-(4-hydroxypentyl) metabolite
RCS-4 N-(4-hydroxypentyl) metabolite-d5
RCS-4 N-(5-hydroxypentyl) metabolite
RCS-4 N-(5-hydroxypentyl) metabolite-d5
RCS-4 N-pentanoic acid metabolite-d5
RCS-8 4-methoxy isomer
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Cayman Chemical Company regularly evaluates our shipping methods to ensure product stability is maintained and our corporate environmental impact is minimized. Products selected for review are evaluated and shipping methods are certified by our Scientists. While occasionally our method of shipping a product may change, rest assured the shipping conditions on all Cayman Chemical products have been reviewed and validated.

Upon receipt, it is important to check the storage requirements of your products and place them at the appropriate temperature. Products shipped without ice may require frozen storage for long term stability.

Cayman Chemical was formed over thirty years ago by demonstrating the value of naturally growing gorgonian corals as a renewable, economically viable source of prostaglandins. Today we operate our business knowing that we owe our start to the renewable resources our environment had provided. As Cayman Chemical continues to grow we consistently evaluate our business processes to ensure we are operating at the highest environmental standards.

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