100684-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100684-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,6,8 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 100684-40:
(8*1)+(7*0)+(6*0)+(5*6)+(4*8)+(3*4)+(2*4)+(1*0)=90
90 % 10 = 0
So 100684-40-0 is a valid CAS Registry Number.