857777-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857777-96-9 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 6 respectively.
Calculate Digit Verification of CAS Registry Number 857777-96:
(8*8)+(7*5)+(6*7)+(5*7)+(4*7)+(3*7)+(2*9)+(1*6)=249
249 % 10 = 9
So 857777-96-9 is a valid CAS Registry Number.