APIs & Intermediates
Hangzhou J&H Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Lab/Research institutions
4-Hydroxy-6-methylamino-2-naphthalene sulfonic acidCAS NO.: 6259-53-6
4-Hydroxy-7-methylamino-2-naphthalenesulfonic acidCAS NO.: 22346-43-6