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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 70260

Acetylsalicylic Acid (CAS 50-78-2)

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Aspirin is a non-selective, irreversible COX inhibitor. The IC50 values for ovine COX-1 and -2 are 0.75 and 1.25 mM, respectively.1 Aspirin acetylates COX-1 at Ser530 and COX-2 at Ser516 resulting in irreversible enzyme inhibition.

1. Johnson, J.L., Wimsatt, J., Buckel, S.D., et al. Purification and characterization of prostaglandin H synthase-2 from sheep placental cotyledons. Arch Biochem Biophys 324 26-34 (1995).

  • Acetylsalicylic Acid
Formal Name 2-​(acetyloxy)-​benzoic acid
CAS Number 50-78-2
Molecular Formula C9H8O4
Formula Weight 180.2
Formulation A crystalline solid
Purity ≥99%
λmax 226, 275 nm
Stability 2 years
Storage Room temperature
Shipping Room temperature in continental US; may vary elsewhere
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Size Price Quantity Subtotal
50 g $10.00 $0.00
100 g $15.00 $0.00
500 g $45.00 $0.00
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Cart Total $0.00

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Pricing updated 2015-03-04. Prices are subject to change without notice.

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

Warning This product is not for human or veterinary use.

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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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