143765-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143765-13-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,6 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143765-13:
(8*1)+(7*4)+(6*3)+(5*7)+(4*6)+(3*5)+(2*1)+(1*3)=133
133 % 10 = 3
So 143765-13-3 is a valid CAS Registry Number.