91956-62-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91956-62-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,5 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91956-62:
(7*9)+(6*1)+(5*9)+(4*5)+(3*6)+(2*6)+(1*2)=166
166 % 10 = 6
So 91956-62-6 is a valid CAS Registry Number.