https://www.sigmaaldrich.com/JP/en/product/mm/822338
Sulfanilic acid for synthesis 121-57-3
Sulfanilic acid for synthesis; CAS Number: 121-57-3; Synonyms: Sulfanilic acid,4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid at Sigma-Aldrich
sulfanilic acidsynthesis121573
https://www.usitc.gov/fed_reg_notices/five_yearsunset_reviews/sulfanilic_acid_china_and_india_082416.htm
Sulfanilic Acid from China and India | United States International Trade Commission
The United States International Trade Commission is an independent, nonpartisan, quasi-judicial federal agency that fulfills a range of trade-related mandates....
china and indiasulfanilic acidunited statesinternational trade
https://www.sigmaaldrich.com/JP/en/product/saj/285740
Sulfanilic acid JIS special grade, 99.0-100.5 121-57-3
Sulfanilic acid JIS special grade, 99.0-100.5%; CAS Number: 121-57-3; EC Number: 204-482-5; Synonyms: 4-Aminobenzenesulfonic acid,Aniline-4-sulfonic acid;...
sulfanilic acid