Skip to Content
Merck

1044006

USP

Aspirin

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

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

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Linear Formula:
2-(CH3CO2)C6H4CO2H
CAS Number:
50-78-2
Molecular Weight:
180.16
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329749073
MDL number:
MFCD00002430
Beilstein/REAXYS Number:
779271

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Aspirin, United States Pharmacopeia (USP) Reference Standard

InChI

1S/C9H8O4/c1-6(10)13-8-5-3-2-4-7(8)9(11)12/h2-5H,1H3,(H,11,12)

SMILES string

CC(=O)Oc1ccccc1C(O)=O

InChI key

BSYNRYMUTXBXSQ-UHFFFAOYSA-N

grade

pharmaceutical primary standard

API family

aspirin

manufacturer/tradename

USP

mp

134-136 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

Gene Information

human ... PTGS1(5742), PTGS2(5743)

Looking for similar products? Visit Product Comparison Guide

Related Categories

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.

pictograms

Exclamation mark
GHS07

signalword

Warning

Storage Class

11 - Combustible Solids

flash_point_f

482.0 °F

flash_point_c

250 °C

hcodes

H302,H412

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Butalbital, Aspirin, Caffeine, and Codeine Phosphate Capsules
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 46(2), 648-648 (2013)
Aspirin Tablets
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 42(4), 392-392 (2020)
Carisoprodol and Aspirin Tablets
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 778-778 (2013)
Aspirin Boluses
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 42(4), 388-388 (2017)
Ahmed Kayssi et al.
Journal of vascular surgery, 60(1), 106-110 (2014-03-25)
Acute limb ischemia (ALI) in pediatric patients is rare but may lead to limb loss and life-long complications. This study reviewed the experience of a Canadian tertiary pediatric center with the medical and operative management of ALI. The medical records of
View All Related Papers

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

Contact Technical Service