1022318-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1022318-42-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,2,3,1 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1022318-42:
(9*1)+(8*0)+(7*2)+(6*2)+(5*3)+(4*1)+(3*8)+(2*4)+(1*2)=88
88 % 10 = 8
So 1022318-42-8 is a valid CAS Registry Number.