EMAIL THIS PAGE TO A FRIEND

A5376 Sigma

Acetylsalicylic acid

≥99.0%, crystalline

Synonym: 2-Acetoxybenzoic acid, O-Acetylsalicylic acid, ASA, Aspirin

Properties

Related Categories A to C, A-AM, Application Index, Arachidonic Acid Cascade, Bioactive Small Molecules,
assay   ≥99.0%
form   crystalline
color   white
pKa (25 °C)   3.5
mp   134-136 °C(lit.)
solubility   H2O: soluble10 mg/mL at 37 °C(lit.)
  H2O: soluble3 mg/mL at 25 °C(lit.)
  ethanol: soluble50 mg/mL
  aqueous base: decomposes
absorption   ε1mM/230 nm, aqueous acid 466
  ε1mM/231 nm, aqueous base 409
  ε1mM/278 nm, aqueous acid 68
  ε1mM/298 nm, aqueous base 190
Gene Information   human ... ITGA2B(3674), ITGB3(3690), PTGS1(5742), PTGS2(5743)

Description

Frequently Asked Questions

Live Chat and Frequently Asked Questions are available for this Product.

Biochem/physiol Actions

Blocks the production of prostaglandins by inhibiting cyclooxygenase (prostaglandin H synthase), with greater selectivity toward the COX-1 isoform. The antithrombotic effect is due to the inhibition of COX-1 in platelets that blocks thromboxane production and platelet aggregation. Chemopreventive against colorectal and other solid tumors.

Packaging

1 kg in poly bottle

100, 250, 500 g in poly bottle

Price and Availability


New TruPAGE™ Pre-cast Polyacrylamide Gels

Additional Products to Explore

Acetaminophen

BioXtra, ≥99.0%

Acetic anhydride

ReagentPlus®, ≥99%

Caffeine

powder, ReagentPlus®

Ethyl alcohol, Pure

200 proof, for molecular biology

Salicylic acid

BioXtra, ≥99.0%

Customers Also Viewed

Acetaminophen

BioXtra, ≥99.0%

Acetylsalicylic acid

analytical standard

Aspirin
A2093Aspirin

meets USP testing specifications

Ibuprofen

≥98% (GC)

Salicylic acid

BioXtra, ≥99.0%

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?