Cuprate(3-), [mu-[7-[2-[3,3'-di(hydroxy-kappaO)-4'-[2-[2-(hydroxy-kappaO)-6-sulfo-1-naphthalenyl]diazenyl-kappaN1][1,1'-biphenyl]-4-yl]diazenyl-kappaN1]-8-(hydroxy-kappaO)-1,6-naphthalenedisulfonato(7-)]]di-, sodium (1:3)

O=S(=O)([O-])c1ccc2c(N=Nc3ccc(-c4ccc(N=Nc5c(S(=O)(=O)[O-])cc6cccc(S(=O)(=O)[O-])c6c5[O-])c([O-])c4)cc3[O-])c([O-])ccc2c1.[Cu+2].[Cu+2].[Na+].[Na+].[Na+]

Also known as: 1'-biphenyl]-4-yl]azo]-8-hydroxy-1,6-naphthalenedisulfonato(7-)]]-o][ trisod, C. I. Direct blue 203, Cuprate(3-), [μ-[7-[[3,3'-dihydroxy-4'-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-8-hydroxy-1,6-naphthalenedisulfonato(7-)]]-, trisodium, Cuprate(3-),[μ-[7-[[3,3'-dihydroxy-4'-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-8-hydroxy-1,6-naphthalenedisulfonato(7-)]]-,trisodium, cuprate(3-), [ mu -[7-[[3,3'-dihydroxy-4'-[(2-hydroxy-6-sulfo-1-naphthalenyl)az

Cuprate(3-), [mu-[7-[2-[3,3'-di(hydroxy-kappaO)-4'-[2-[2-(hydroxy-kappaO)-6-sulfo-1-naphthalenyl]diazenyl-kappaN1][1,1'-biphenyl]-4-yl]diazenyl-kappaN1]-8-(hydroxy-kappaO)-1,6-naphthalenedisulfonato(7-)]]di-, sodium (1:3) (CAS 72928-71-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C32H15Cu2N4Na3O13S3 and a molecular weight of 955.7 g/mol. It is also known as 1'-biphenyl]-4-yl]azo]-8-hydroxy-1,6-naphthalenedisulfonato(7-)]]-o][ trisod, C. I. Direct blue 203 and Cuprate(3-), [μ-[7-[[3,3'-dihydroxy-4'-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-8-hydroxy-1,6-naphthalenedisulfonato(7-)]]-, trisodium. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

72928-71-3

Jingsj CID

J-1680058-8

Molecular Formula

C₃₂H₁₅Cu₂N₄Na₃O₁₃S₃

Chinese Name

O=S(=O)([O-])c1ccc2c(N=Nc3ccc(-c4ccc(N=Nc5c(S(=O)(=O)[O-])cc6cccc(S(=O)(=O)[O-])c6c5[O-])c([O-])c4)cc3[O-])c([O-])ccc2c1.[Cu+2].[Cu+2].[Na+].[Na+].[Na+]

Molecular Weight

955.7 g/mol

Category

Organic Compounds

Last updated

8/21/2026