Skip to Content
Merck
All Photos(1)

Key Documents

A79604

Sigma-Aldrich

4-Aminosalicylic acid

99%, for peptide synthesis

Synonym(s):

4-Amino-2-hydroxybenzoic acid, PAS

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
H2NC6H3-2-(OH)CO2H
CAS Number:
Molecular Weight:
153.14
Beilstein:
473071
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.22

product name

4-Aminosalicylic acid, 99%

Quality Level

Assay

99%

form

powder

reaction suitability

reaction type: solution phase peptide synthesis

color

white to beige

mp

135-145 °C (lit.)

application(s)

peptide synthesis

SMILES string

Nc1ccc(C(O)=O)c(O)c1

InChI

1S/C7H7NO3/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,9H,8H2,(H,10,11)

InChI key

WUBBRNOQWQTFEX-UHFFFAOYSA-N

Gene Information

human ... PTPN1(5770)

Looking for similar products? Visit Product Comparison Guide

Application

4-Aminosalicylic acid (4-ASA) can be used in the synthesis of:
  • Azo derivatives of 4-ASA with anti-inflammatory effects.
  • Ammonium 4-aminosalicylate salt polymorphs which are used as pharmaceutical ingredients.
  • Salicylic acid-triazole analogs which are used as quorum sensing inhibitors against Pseudomonas aeruginosa.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

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

Visit the Document Library

Synthesis of azo derivatives of 4-aminosalicylic acid.
Zhao ZB, et al.
Chinese Chemical Letters = Zhongguo Hua Xue Kuai Bao, 18(6), 639-642 (2007)
Design, Synthesis and Biological Evaluation of Triazole-Containing 2-Phenylindole and Salicylic Acid as Quorum Sensing Inhibitors Against Pseudomonas aeruginosa.
Srinivasarao S, et al.
ChemistrySelect, 3(32), 9170-9180 (2018)
Polymorphic ammonium salts of the antibiotic 4-aminosalicylic acid.
Andre V, et al.
Crystal Growth & Design, 12(6), 3082-3090 (2012)
Tian-Loon Lee et al.
Journal of glaucoma, 23(9), 644-648 (2013-02-23)
To determine the incidence of intraocular pressure (IOP) spikes within the first 30 minutes after sequential argon-Nd:YAG laser peripheral iridotomy (LPI) in patients with angle closure and to explore risk factors for their occurrence. A total of 428 consecutive eyes
Nga Nguyen et al.
American journal of primatology, 77(5), 579-594 (2015-02-27)
Parasitism is expected to impact host morbidity or mortality, although the fitness costs of parasitism have rarely been quantified for wildlife hosts. Tapeworms in the genus Taenia exploit a variety of vertebrates, including livestock, humans, and geladas (Theropithecus gelada), monkeys

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