Products 88-21-1

CAS 88-21-1 appears in our catalog under these names: 2–Aminobenzenesulfonic acid, 2-Aminobenzenesulphonic Acid, >95% (HPLC), Aniline-2-sulfonic acid, 2-Aminobenzenesulfonic acid, Orthanilic acid, 95% . Offered by: GLPBio, TRC, Dr. Ehrenstorfer, TargetMol, Thermo Scientific (Alfa Aesar). Available pack sizes: 1g, 10g, 5g, 250mg, 500mg, 100g, 25g, 500g.

2–Aminobenzenesulfonic acid
GLPBio
  • size: 1g, 500mg
  • Variants: 2
from 601.72
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2-Aminobenzenesulphonic Acid, >95% (HPLC)
TRC
  • size: 10g, 1g, 5g
  • Variants: 3
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Aniline-2-sulfonic acid
Dr. Ehrenstorfer
  • size: 250mg
  • Variants: 1
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2-Aminobenzenesulfonic acid
TargetMol
  • size: 1g, 5g, 500mg
  • Variants: 3
from 499.07
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Orthanilic acid, 95%
Thermo Scientific (Alfa Aesar)
  • size: 100g
  • Variants: 1
from 213.81
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Aniline-2-sulfonic acid, 95%
Thermo Scientific (Acros), Sigma-Aldrich
  • size: 25g, 100g, 500g
  • Variants: 4
from 95.77
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2-Aminobenzenesulfonic Acid, >99.0%(HPLC)(T)
TCI
  • size: 25g, 100g
  • Variants: 2
from 113.43
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2-Aminobenzenesulfonic acid 98%
Ambeed
  • size: 100g, 500g
  • Variants: 2
from 203.50
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2-Aminobenzenesulfonic acid, 99.92%
MedChemExpress
  • size: 1 g, 50 g, 100 mg, 10mM/1mL
  • Variants: 7
from 263.96
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2-Aminobenzenesulfonic acid (Standard)
MedChemExpress
  • size: 50 mg, 10 mg, 100 mg, 25 mg
  • Variants: 4
from 277.90
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2-Aminobenzenesulfonic acid, 97%
Fluorochem
  • size: 1g, 25g, 100g, 500g
  • Variants: 5
from 102.07
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Structural formula: {0} (CAS {1})

2-aminobenzenesulfonic acid is an aminobenzenesulfonic acid carrying an amino group at position 2. It is a conjugate acid of a 2-aminobenzenesulfonate.

Source: ChEBI

Identity
Molecular formulaC6H7NO3S
Molecular weight173.19 g/mol
IUPAC name2-aminobenzenesulfonic acid
InChIKeyZMCHBSMFKQYNKA-UHFFFAOYSA-N
SMILESC1=CC=C(C(=C1)N)S(=O)(=O)O

Computed by PubChem (NCBI)

Synonyms: 2-Aminobenzenesulfonic acid, Orthanilic acid, o-Aminobenzenesulfonic acid, o-Sulfanilic acid, Aniline-o-sulfonic acid, 2-Sulfanilic acid, Aniline-o-sulphonic acid, 1-Aminobenzene-2-sulfonic acid, o-Aminophenylsulfonic acid, Benzenesulfonic acid, o-amino-
Isomers (same molecular formula)
1-methylpyridin-1-ium-2-sulfonate C6H7NO3S
N-hydroxybenzenesulfonamide C6H7NO3S
2-(methoxymethyl)-1,3-thiazole-4-carboxylic acid C6H7NO3S
6-methylsulfonylpyridin-3-ol C6H7NO3S
3-hydroxybenzenesulfonamide C6H7NO3S
4-methylpyridine-3-sulfonic acid C6H7NO3S
4-aminobenzenesulfonic acid C6H7NO3S
5-methylpyridine-3-sulfonic acid C6H7NO3S
3-methylsulfonyl-1H-pyridin-2-one C6H7NO3S
ethyl 4-hydroxy-1,3-thiazole-2-carboxylate C6H7NO3S
2-methylsulfonylpyridin-3-ol C6H7NO3S
5-(methylsulfanylmethyl)-1,2-oxazole-3-carboxylic acid C6H7NO3S