15441-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15441-55-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,4,4 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 15441-55:
(7*1)+(6*5)+(5*4)+(4*4)+(3*1)+(2*5)+(1*5)=91
91 % 10 = 1
So 15441-55-1 is a valid CAS Registry Number.