85697-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85697-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,6,9 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85697-91:
(7*8)+(6*5)+(5*6)+(4*9)+(3*7)+(2*9)+(1*1)=192
192 % 10 = 2
So 85697-91-2 is a valid CAS Registry Number.