15741-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15741-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,7,4 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15741-69:
(7*1)+(6*5)+(5*7)+(4*4)+(3*1)+(2*6)+(1*9)=112
112 % 10 = 2
So 15741-69-2 is a valid CAS Registry Number.