1415681-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1415681-44-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,5,6,8 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1415681-44:
(9*1)+(8*4)+(7*1)+(6*5)+(5*6)+(4*8)+(3*1)+(2*4)+(1*4)=155
155 % 10 = 5
So 1415681-44-5 is a valid CAS Registry Number.