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

Pricing updated 2015-08-01. Prices are subject to change without notice.

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Warning This product is not for human or veterinary use.

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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.

Cayman Chemical

1180 East Ellsworth Road

Ann Arbor, Michigan 48108 USA


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