100609-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100609-05-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,6,0 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 100609-05:
(8*1)+(7*0)+(6*0)+(5*6)+(4*0)+(3*9)+(2*0)+(1*5)=70
70 % 10 = 0
So 100609-05-0 is a valid CAS Registry Number.