100721-14-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100721-14-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,7,2 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 100721-14:
(8*1)+(7*0)+(6*0)+(5*7)+(4*2)+(3*1)+(2*1)+(1*4)=60
60 % 10 = 0
So 100721-14-0 is a valid CAS Registry Number.