850621-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 850621-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,6,2 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 850621-04:
(8*8)+(7*5)+(6*0)+(5*6)+(4*2)+(3*1)+(2*0)+(1*4)=144
144 % 10 = 4
So 850621-04-4 is a valid CAS Registry Number.