41731-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41731-15-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,7,3 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 41731-15:
(7*4)+(6*1)+(5*7)+(4*3)+(3*1)+(2*1)+(1*5)=91
91 % 10 = 1
So 41731-15-1 is a valid CAS Registry Number.