321582-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321582-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,5,8 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 321582-07:
(8*3)+(7*2)+(6*1)+(5*5)+(4*8)+(3*2)+(2*0)+(1*7)=114
114 % 10 = 4
So 321582-07-4 is a valid CAS Registry Number.