100702-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100702-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,7,0 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 100702-68:
(8*1)+(7*0)+(6*0)+(5*7)+(4*0)+(3*2)+(2*6)+(1*8)=69
69 % 10 = 9
So 100702-68-9 is a valid CAS Registry Number.