OBA Intermediates

“ALDS; Aniline-2,5-DSA; 2-Aminobenzene-1,4-Disulfonic acid”

CAS no. 98-44-2

“DASDA; 4,4′-diaminostilbene-2,2′-disulphonic acid”

CAS no. 81-11-8

“MASMA; N’-methyl-4-(methylsulfonyl)benzene-1,2-diamine; 2-Amino-4-methylsulfonyl-N-methylaniline”

CAS no. 73097-51-5

Sulfanilic acid

CAS no. 121-57-3