1009573-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009573-81-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,5,7 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1009573-81:
(9*1)+(8*0)+(7*0)+(6*9)+(5*5)+(4*7)+(3*3)+(2*8)+(1*1)=142
142 % 10 = 2
So 1009573-81-2 is a valid CAS Registry Number.