1018442-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1018442-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,8,4,4 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1018442-99:
(9*1)+(8*0)+(7*1)+(6*8)+(5*4)+(4*4)+(3*2)+(2*9)+(1*9)=133
133 % 10 = 3
So 1018442-99-3 is a valid CAS Registry Number.