142321-07-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142321-07-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,3,2 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 142321-07:
(8*1)+(7*4)+(6*2)+(5*3)+(4*2)+(3*1)+(2*0)+(1*7)=81
81 % 10 = 1
So 142321-07-1 is a valid CAS Registry Number.