1220700-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1220700-73-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,7,0 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1220700-73:
(9*1)+(8*2)+(7*2)+(6*0)+(5*7)+(4*0)+(3*0)+(2*7)+(1*3)=91
91 % 10 = 1
So 1220700-73-1 is a valid CAS Registry Number.