124389-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124389-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,3,8 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 124389-54:
(8*1)+(7*2)+(6*4)+(5*3)+(4*8)+(3*9)+(2*5)+(1*4)=134
134 % 10 = 4
So 124389-54-4 is a valid CAS Registry Number.
124389-54-4Relevant academic research and scientific papers
Loubinoux, Bernard,Miazimbakana, Joseph,Gerardin, Philippe
, p. 1939 - 1942 (1989)
The azidomethylene protecting group allows the synthesis of unstable phenolic compounds which are used as quinone methide precursors in the alkylations of alcohols, phenols, azide, thiophenol, amines, enols and enolates.