1143585-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1143585-16-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,3,5,8 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1143585-16:
(9*1)+(8*1)+(7*4)+(6*3)+(5*5)+(4*8)+(3*5)+(2*1)+(1*6)=143
143 % 10 = 3
So 1143585-16-3 is a valid CAS Registry Number.