859777-44-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859777-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,7,7 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 859777-44:
(8*8)+(7*5)+(6*9)+(5*7)+(4*7)+(3*7)+(2*4)+(1*4)=249
249 % 10 = 9
So 859777-44-9 is a valid CAS Registry Number.