57682-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57682-21-0 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 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57682-21:
(7*5)+(6*7)+(5*6)+(4*8)+(3*2)+(2*2)+(1*1)=150
150 % 10 = 0
So 57682-21-0 is a valid CAS Registry Number.