Aspirin
USP/1044006 - United States Pharmacopeia (USP) Reference Standard
Synonym: Acetylsalicylic acid; 2-Acetoxybenzoic acid; O-Acetylsalicylic acid; ASA; Aspirin
CAS Number: 50-78-2
Empirical Formula (Hill Notation): C9H8O4
Molecular Weight: 180.16
MDL Number: MFCD00002430
Linear Formula: 2-(CH3CO2)C6H4CO2H
Product Type: Chemical
API family | aspirin |
application(s) | pharmaceutical (small molecule) |
format | neat |
grade | pharmaceutical primary standard |
InChI | 1S/C9H8O4/c1-6(10)13-8-5- |
InChI key | BSYNRYMUTXBXSQ-UHFFFAOYSA |
manufacturer/tradename | USP |
mp | 134-136 °C (lit.) |
SMILES string | CC(=O)Oc1ccccc1C(O)=O |
Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
Application: | Aspirin USP reference standard suitable for use in specified USP compendial quality tests and assays. Also used to prepare standard solution for impurity analysis and performance test according to the given below monographs of United States Pharmacopeia (USP): • Carisoprodol and Aspirin Tablets. • Aspirin Tablets. • Aspirin Boluses. • Butalbital, Aspirin, Caffeine, and Codeine Phosphate Capsules. |
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. |
General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia ![]() ![]() |
Other Notes: | Sales restrictions may apply. |
Symbol | ![]() |
Signal word | Warning |
Hazard statements | H302 |
Precautionary statements | P301 + P312 + P330 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | 482.0 °F |
Flash Point(C) | 250 °C |
mp | 134-136 °C (lit.) |
UNSPSC | 41116107 |