142529-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142529-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,5,2 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142529-91:
(8*1)+(7*4)+(6*2)+(5*5)+(4*2)+(3*9)+(2*9)+(1*1)=127
127 % 10 = 7
So 142529-91-7 is a valid CAS Registry Number.