104709-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104709-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,0 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 104709-63:
(8*1)+(7*0)+(6*4)+(5*7)+(4*0)+(3*9)+(2*6)+(1*3)=109
109 % 10 = 9
So 104709-63-9 is a valid CAS Registry Number.