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The chemical "3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[7-[(2,4-diamino-3-methyl-6-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium] salt" is a complex organic compound with a long and intricate molecular structure. It is a type of azo dye, characterized by the presence of azo groups (-N=N-) that are responsible for its color. This particular compound is a derivative of naphthalene, a polycyclic aromatic hydrocarbon, and contains sulfonic acid groups, which contribute to its water solubility. The sodium salt form indicates that it is a salt derived from the neutralization of the sulfonic acid groups with sodium hydroxide. 3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[7-[(2,4-diamino-3-methyl-6-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium] salt is likely used in industrial applications, such as in the dyeing of fabrics or as a pigment in various products, due to its color properties. However, it is important to note that the specific uses and safety considerations of 3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[7-[(2,4-diamino-3-methyl-6-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium] salt would require further investigation, as complex organic compounds like this one can have various applications and potential environmental or health implications.

6546-66-3

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6546-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6546-66-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,4 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6546-66:
(6*6)+(5*5)+(4*4)+(3*6)+(2*6)+(1*6)=113
113 % 10 = 3
So 6546-66-3 is a valid CAS Registry Number.

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