1142202-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142202-64-9 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 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1142202-64:
(9*1)+(8*1)+(7*4)+(6*2)+(5*2)+(4*0)+(3*2)+(2*6)+(1*4)=89
89 % 10 = 9
So 1142202-64-9 is a valid CAS Registry Number.