222736-20-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222736-20-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,7,3 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 222736-20:
(8*2)+(7*2)+(6*2)+(5*7)+(4*3)+(3*6)+(2*2)+(1*0)=111
111 % 10 = 1
So 222736-20-1 is a valid CAS Registry Number.