1142209-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142209-67-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,2,2,0 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1142209-67:
(9*1)+(8*1)+(7*4)+(6*2)+(5*2)+(4*0)+(3*9)+(2*6)+(1*7)=113
113 % 10 = 3
So 1142209-67-3 is a valid CAS Registry Number.