142994-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142994-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,9 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 142994-79:
(8*1)+(7*4)+(6*2)+(5*9)+(4*9)+(3*4)+(2*7)+(1*9)=164
164 % 10 = 4
So 142994-79-4 is a valid CAS Registry Number.