143304-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143304-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,0 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143304-40:
(8*1)+(7*4)+(6*3)+(5*3)+(4*0)+(3*4)+(2*4)+(1*0)=89
89 % 10 = 9
So 143304-40-9 is a valid CAS Registry Number.
143304-40-9Relevant academic research and scientific papers
Linderman, Russell J.,Viviani, Fabrice G.,Kwochka, William R.
, p. 3571 - 3574 (1992)
Two stereoselective routes to the 3-(2H) furanone spiroketal 1 have been achieved.
