1142199-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142199-90-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,2,1,9 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1142199-90:
(9*1)+(8*1)+(7*4)+(6*2)+(5*1)+(4*9)+(3*9)+(2*9)+(1*0)=143
143 % 10 = 3
So 1142199-90-3 is a valid CAS Registry Number.