109037-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109037-22-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,0,3 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109037-22:
(8*1)+(7*0)+(6*9)+(5*0)+(4*3)+(3*7)+(2*2)+(1*2)=101
101 % 10 = 1
So 109037-22-1 is a valid CAS Registry Number.