6637-87-2 Usage
General Description
Disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate is a complex and long name for a chemical compound. It is a disodium salt of a naphthalenesulfonic acid derivative with multiple azo groups and hydroxy groups. disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate is commonly used as a dye and colorant in various industries, including textiles, food, and cosmetics. Its chemical structure and properties make it suitable for producing a wide range of vibrant and stable colors. However, due to its complex structure and potential for causing allergic reactions, it is important to handle and use this chemical with caution and according to safety guidelines.
Check Digit Verification of cas no
The CAS Registry Mumber 6637-87-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,3 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6637-87:
(6*6)+(5*6)+(4*3)+(3*7)+(2*8)+(1*7)=122
122 % 10 = 2
So 6637-87-2 is a valid CAS Registry Number.
InChI:InChI=1/C28H17N9O16S2.2Na/c38-23-10-17(55(51,52)53)6-12-5-16(54(48,49)50)9-18(24(12)23)30-32-20-11-21(33-31-19-7-15(36(44)45)8-22(26(19)39)37(46)47)28(41)25(27(20)40)34-29-13-1-3-14(4-2-13)35(42)43;;/h1-11,38-41H,(H,48,49,50)(H,51,52,53);;/q;2*+1/p-2
