15562-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15562-09-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,5,6 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15562-09:
(7*1)+(6*5)+(5*5)+(4*6)+(3*2)+(2*0)+(1*9)=101
101 % 10 = 1
So 15562-09-1 is a valid CAS Registry Number.