143733-88-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143733-88-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,3 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143733-88:
(8*1)+(7*4)+(6*3)+(5*7)+(4*3)+(3*3)+(2*8)+(1*8)=134
134 % 10 = 4
So 143733-88-4 is a valid CAS Registry Number.