97656-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97656-08-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,6,5 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 97656-08:
(7*9)+(6*7)+(5*6)+(4*5)+(3*6)+(2*0)+(1*8)=181
181 % 10 = 1
So 97656-08-1 is a valid CAS Registry Number.