57682-84-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57682-84-5 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, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57682-84:
(7*5)+(6*7)+(5*6)+(4*8)+(3*2)+(2*8)+(1*4)=165
165 % 10 = 5
So 57682-84-5 is a valid CAS Registry Number.