72138-99-9 Usage
General Description
2,7-Naphthalenedisulfonic acid, 5-[[2,4-dihydroxy-5-[[4-(phenylamino)-3-sulfophenyl]azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]- is a complex chemical compound with multiple functional groups. It contains two sulfonic acid groups and multiple azo, hydroxyl, and nitro groups. 2,7-Naphthalenedisulfonic acid, 5-[[2,4-dihydroxy-5-[[4-( phenylamino)-3-sulfophenyl]azo]phenyl]azo]-4-hydroxy -3-[(4-nitrophenyl)azo]- is commonly used as a dye in various applications due to its vibrant color imparted by the azo functional groups. It has potential uses in the textile and industrial industries where dyes and colorants are required. Due to its complex structure and functional groups, it may also have applications in chemical synthesis and organic chemistry research.
Check Digit Verification of cas no
The CAS Registry Mumber 72138-99-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,3 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72138-99:
(7*7)+(6*2)+(5*1)+(4*3)+(3*8)+(2*9)+(1*9)=129
129 % 10 = 9
So 72138-99-9 is a valid CAS Registry Number.
InChI:InChI=1/C34H24N8O14S3/c43-28-17-29(44)26(16-25(28)38-37-21-8-11-24(30(14-21)58(51,52)53)35-19-4-2-1-3-5-19)39-40-27-15-23(57(48,49)50)12-18-13-31(59(54,55)56)33(34(45)32(18)27)41-36-20-6-9-22(10-7-20)42(46)47/h1-17,35-37,44H,(H,48,49,50)(H,51,52,53)(H,54,55,56)/b38-25-,40-39+,41-33+
