857777-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857777-97-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,7,7 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 857777-97:
(8*8)+(7*5)+(6*7)+(5*7)+(4*7)+(3*7)+(2*9)+(1*7)=250
250 % 10 = 0
So 857777-97-0 is a valid CAS Registry Number.