Metanilic acid

• CAT Number: M071573
• CAS Number: 121-47-1
• Molecular Formula: C6H7NO3S
• Molecular Weight: 173.19
• Purity: ≥95%
• Storage: 3 years -20C powder
• IUPAC Name: 3-aminobenzenesulfonic acid
• InChI: InChI=1S/C6H7NO3S/c7-5-2-1-3-6(4-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
• InChIKey: ZAJAQTYSTDTMCU-UHFFFAOYSA-N
• SMILES: C1=CC(=CC(=C1)S(=O)(=O)O)N

Metanilic acid（Cat No.:M071573）, also known as 3-aminobenzenesulfonic acid, is an organic compound with the chemical formula C6H7NO3S. It is a white to pale yellow crystalline solid, soluble in water and alcohol. Metabolic acid is commonly used in the synthesis of azo dyes, pharmaceuticals, and organic intermediates. It serves as a key precursor in the production of various dyes and pigments due to its ability to undergo diazotization and coupling reactions with aromatic amines. Additionally, metabolic acid finds application in analytical chemistry as a pH indicator and in organic synthesis as a building block for diverse chemical compounds.