109795-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109795-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,9 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109795-69:
(8*1)+(7*0)+(6*9)+(5*7)+(4*9)+(3*5)+(2*6)+(1*9)=169
169 % 10 = 9
So 109795-69-9 is a valid CAS Registry Number.