857982-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857982-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,9,8 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 857982-87:
(8*8)+(7*5)+(6*7)+(5*9)+(4*8)+(3*2)+(2*8)+(1*7)=247
247 % 10 = 7
So 857982-87-7 is a valid CAS Registry Number.