15409-12-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15409-12-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,4,0 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 15409-12:
(7*1)+(6*5)+(5*4)+(4*0)+(3*9)+(2*1)+(1*2)=88
88 % 10 = 8
So 15409-12-8 is a valid CAS Registry Number.