1606143-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1606143-50-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,6,1,4 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1606143-50:
(9*1)+(8*6)+(7*0)+(6*6)+(5*1)+(4*4)+(3*3)+(2*5)+(1*0)=133
133 % 10 = 3
So 1606143-50-3 is a valid CAS Registry Number.