909877-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909877-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,8,7 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 909877-04:
(8*9)+(7*0)+(6*9)+(5*8)+(4*7)+(3*7)+(2*0)+(1*4)=219
219 % 10 = 9
So 909877-04-9 is a valid CAS Registry Number.