1010909-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1010909-74-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,0,9,0 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1010909-74:
(9*1)+(8*0)+(7*1)+(6*0)+(5*9)+(4*0)+(3*9)+(2*7)+(1*4)=106
106 % 10 = 6
So 1010909-74-6 is a valid CAS Registry Number.