20246-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20246-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,2,4 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 20246-15:
(7*2)+(6*0)+(5*2)+(4*4)+(3*6)+(2*1)+(1*5)=65
65 % 10 = 5
So 20246-15-5 is a valid CAS Registry Number.