28048-30-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28048-30-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,4 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28048-30:
(7*2)+(6*8)+(5*0)+(4*4)+(3*8)+(2*3)+(1*0)=108
108 % 10 = 8
So 28048-30-8 is a valid CAS Registry Number.
28048-30-8Relevant articles and documents
Alkynes from 5-Aminoisoxazoles
Beccalli, Egle M.,Manfredi, Amedea,Marchesini, Alessandro
, p. 2372 - 2375 (2007/10/02)
Diazotization of 5-aminoisoxazoles that bear at least one electron-withdrawing group by reaction with sodium nitrite in AcOH-H2O affords substituted acetylenes.A reaction path is proposed.