1646200-60-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1646200-60-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,6,2,0 and 0 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1646200-60:
(9*1)+(8*6)+(7*4)+(6*6)+(5*2)+(4*0)+(3*0)+(2*6)+(1*0)=143
143 % 10 = 3
So 1646200-60-3 is a valid CAS Registry Number.