1107664-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1107664-72-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,7,6,6 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1107664-72:
(9*1)+(8*1)+(7*0)+(6*7)+(5*6)+(4*6)+(3*4)+(2*7)+(1*2)=141
141 % 10 = 1
So 1107664-72-1 is a valid CAS Registry Number.