1142200-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142200-40-5 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 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1142200-40:
(9*1)+(8*1)+(7*4)+(6*2)+(5*2)+(4*0)+(3*0)+(2*4)+(1*0)=75
75 % 10 = 5
So 1142200-40-5 is a valid CAS Registry Number.