As an extract from the researched prices for
2,7-Naphthalenedisulfonicacid,3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[5-amino-4-hydroxy-,sodium salt (1:4) there are currently shown 5 prices in the last 9 years for CAS equal products. This small overview is intended to serve as a guide and trend.
Prices are in USD and range in year 2017 from USD 69.00 for 25 g to USD 63.00 per 1 g in 2020 .