412321-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 412321-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,2,3,2 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 412321-15:
(8*4)+(7*1)+(6*2)+(5*3)+(4*2)+(3*1)+(2*1)+(1*5)=84
84 % 10 = 4
So 412321-15-4 is a valid CAS Registry Number.