91575-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91575-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,7 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91575-68:
(7*9)+(6*1)+(5*5)+(4*7)+(3*5)+(2*6)+(1*8)=157
157 % 10 = 7
So 91575-68-7 is a valid CAS Registry Number.