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Key Documents

A79604

Sigma-Aldrich

4-Aminosalicylic acid

99%, for peptide synthesis

Synonym(s):

4-Amino-2-hydroxybenzoic acid, PAS

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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%

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)

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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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
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)
Joan Cid et al.
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