855908-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855908-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,9,0 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 855908-77:
(8*8)+(7*5)+(6*5)+(5*9)+(4*0)+(3*8)+(2*7)+(1*7)=219
219 % 10 = 9
So 855908-77-9 is a valid CAS Registry Number.