1066-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1066-41-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,6 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1066-41:
(6*1)+(5*0)+(4*6)+(3*6)+(2*4)+(1*1)=57
57 % 10 = 7
So 1066-41-7 is a valid CAS Registry Number.