Synonyms: Benzenesulfonic acid, 5-amino-2-[(4-aminophenyl)amino]-, diazotized, coupled with 5,5'-[(5-hydroxy-1,3-phenylene)bis(oxy)]bis[1,3-benzenediol], sodium salt
The CAS Registry Mumber 97675-30-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,6,7 and 5 respectively; the second part has 2 digits, 3 and 0 respectively. Calculate Digit Verification of CAS Registry Number 97675-30: (7*9)+(6*7)+(5*6)+(4*7)+(3*5)+(2*3)+(1*0)=184 184 % 10 = 4 So 97675-30-4 is a valid CAS Registry Number.
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