15531-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15531-39-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,5,3 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15531-39:
(7*1)+(6*5)+(5*5)+(4*3)+(3*1)+(2*3)+(1*9)=92
92 % 10 = 2
So 15531-39-2 is a valid CAS Registry Number.