857774-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857774-64-2 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 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857774-64:
(8*8)+(7*5)+(6*7)+(5*7)+(4*7)+(3*4)+(2*6)+(1*4)=232
232 % 10 = 2
So 857774-64-2 is a valid CAS Registry Number.