109236-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109236-77-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,3 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109236-77:
(8*1)+(7*0)+(6*9)+(5*2)+(4*3)+(3*6)+(2*7)+(1*7)=123
123 % 10 = 3
So 109236-77-3 is a valid CAS Registry Number.