"6-[(2,4-Diaminophenyl)azo]-3-[[3-[3-[3-[(2,4-diaminophenyl)azo]phenyl]ureido]phenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt" is a complex organic compound with the chemical formula C37H27N9NaO6S. It is a type of azo dye, characterized by the presence of azo groups (-N=N-) and amino groups (-NH2). 6-[(2,4-Diaminophenyl)azo]-3-[[3-[3-[3-[(2,4-diaminophenyl)azo]phenyl]ureido]phenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt is a sodium salt, indicating that it has been neutralized with sodium hydroxide to form a water-soluble salt. It is likely used in various industrial applications, such as dyeing fabrics or as a pigment in inks and paints, due to its color-producing properties. The specific structure of 6-[(2,4-Diaminophenyl)azo]-3-[[3-[3-[3-[(2,4-diaminophenyl)azo]phenyl]ureido]phenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt, with multiple azo and amino groups, suggests that it may have unique color characteristics and stability, making it suitable for specialized uses in the dye and pigment industry.

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Basic information
1. Product Name: 6-[(2,4-Diaminophenyl)azo]-3-[[3-[3-[3-[(2,4-diaminophenyl)azo]phenyl]ureido]phenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt
2. Synonyms: 6-[(2,4-Diaminophenyl)azo]-3-[[3-[3-[3-[(2,4-diaminophenyl)azo]phenyl]ureido]phenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt;Benzoform Brown 4R;C.I.32015
3. CAS NO:6449-82-7
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6449-82-7.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 6-[(2,4-Diaminophenyl)azo]-3-[[3-[3-[3-[(2,4-diaminophenyl)azo]phenyl]ureido]phenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 6-[(2,4-Diaminophenyl)azo]-3-[[3-[3-[3-[(2,4-diaminophenyl)azo]phenyl]ureido]phenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt(6449-82-7)
11. EPA Substance Registry System: 6-[(2,4-Diaminophenyl)azo]-3-[[3-[3-[3-[(2,4-diaminophenyl)azo]phenyl]ureido]phenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt(6449-82-7)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 6449-82-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6449-82-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 6449-82:
(6*6)+(5*4)+(4*4)+(3*9)+(2*8)+(1*2)=117
117 % 10 = 7
So 6449-82-7 is a valid CAS Registry Number.

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