22072-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22072-77-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,0,7 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 22072-77:
(7*2)+(6*2)+(5*0)+(4*7)+(3*2)+(2*7)+(1*7)=81
81 % 10 = 1
So 22072-77-1 is a valid CAS Registry Number.