130423-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130423-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,4,2 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130423-87:
(8*1)+(7*3)+(6*0)+(5*4)+(4*2)+(3*3)+(2*8)+(1*7)=89
89 % 10 = 9
So 130423-87-9 is a valid CAS Registry Number.
130423-87-9Relevant academic research and scientific papers
Zavodnov, V. S.,Kul'nevich, V. G.,Zinov'ev, V. D.
, p. 386 - 389 (1990)
Phenylethynylation of 5-halofurfurals gives 5-phenylethynylfuran-2-aldehyde which can be converted into the corresponding acid and several of its derivatives with retention of the triple bond.
