857797-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857797-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,7,9 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 857797-43:
(8*8)+(7*5)+(6*7)+(5*7)+(4*9)+(3*7)+(2*4)+(1*3)=244
244 % 10 = 4
So 857797-43-4 is a valid CAS Registry Number.