57685-64-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57685-64-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,8 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57685-64:
(7*5)+(6*7)+(5*6)+(4*8)+(3*5)+(2*6)+(1*4)=170
170 % 10 = 0
So 57685-64-0 is a valid CAS Registry Number.