1009099-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009099-82-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,0,9 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1009099-82:
(9*1)+(8*0)+(7*0)+(6*9)+(5*0)+(4*9)+(3*9)+(2*8)+(1*2)=144
144 % 10 = 4
So 1009099-82-4 is a valid CAS Registry Number.