15742-27-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15742-27-5 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 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 15742-27:
(7*1)+(6*5)+(5*7)+(4*4)+(3*2)+(2*2)+(1*7)=105
105 % 10 = 5
So 15742-27-5 is a valid CAS Registry Number.