4399-55-7 MA5K8N8952 C.I. Direct Blue 71 1,5-Naphthalenedisulfonic acid, 3-((4-((4-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-6-sulfo-1-naphthaleny l)azo)-1-naphthalenyl)azo)-, tetrasodium salt Tetrasodium 3-((4-((4-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-6-sulphonato-1-naphthyl)azo)-1-naphthyl)azo)naphthalene-1,5-disulphonate 1,5-Naphthalenedisulfonic acid, 3-(2-(4-(2-(4-(2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)-6-sulfo-1-naphthalenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:4) 1,5-Naphthalenedisulfonic acid, 3-((4-((4-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-, tetrasodium salt EINECS 224-531-4 UNII-MA5K8N8952 CAS 4399-55-7

Purity 97%+In StockPharmaceutical Standards
CAS No.4399-55-7
Molecular FormulaC40H63N7O13S4 4*Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4399-55-7 MA5K8N8952 C.I. Direct Blue 71 1,5-Naphthalenedisulfonic acid, 3-((4-((4-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-6-sulfo-1-naphthaleny l)azo)-1-naphthalenyl)azo)-, tetrasodium salt Tetrasodium 3-((4-((4-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-6-sulphonato-1-naphthyl)azo)-1-naphthyl)azo)naphthalene-1,5-disulphonate 1,5-Naphthalenedisulfonic acid, 3-(2-(4-(2-(4-(2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)-6-sulfo-1-naphthalenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:4) 1,5-Naphthalenedisulfonic acid, 3-((4-((4-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-, tetrasodium salt EINECS 224-531-4 UNII-MA5K8N8952 CAS 4399-55-7 chemical structure

Description

4399-55-7 MA5K8N8952 C.I. Direct Blue 71 1,5-Naphthalenedisulfonic acid, 3-((4-((4-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-6-sulfo-1-naphthaleny l)azo)-1-naphthalenyl)azo)-, tetrasodium salt Tetrasodium 3-((4-((4-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-6-sulphonato-1-naphthyl)azo)-1-naphthyl)azo)naphthalene-1,5-disulphonate 1,5-Naphthalenedisulfonic acid, 3-(2-(4-(2-(4-(2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)-6-sulfo-1-naphthalenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:4) 1,5-Naphthalenedisulfonic acid, 3-((4-((4-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-, tetrasodium salt EINECS 224-531-4 UNII-MA5K8N8952 (CAS 4399-55-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C40H63N7O13S4 4*Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC40H63N7O13S4 4*Na
Molecular Weight1001.21 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms7
Sulfur Atoms4

Recommended Standards

Why CATO?