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2-Fluorobenzoyl azide is an organic compound with the chemical formula C7H4FN3O2. It is a derivative of benzoyl azide, featuring a fluorine atom at the 2-position on the benzene ring. 2-fluorobenzoyl azide is a white crystalline solid and is sensitive to heat and shock, making it potentially hazardous. It is used as a reagent in organic synthesis, particularly in the preparation of various fluorinated compounds and as a source of the highly reactive nitrene intermediates in chemical reactions. Due to its reactivity, 2-fluorobenzoyl azide requires careful handling and is typically used in a controlled laboratory setting.

443-25-4

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443-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443-25-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,4 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 443-25:
(5*4)+(4*4)+(3*3)+(2*2)+(1*5)=54
54 % 10 = 4
So 443-25-4 is a valid CAS Registry Number.

443-25-4Relevant academic research and scientific papers

Synthesis of Acyl Phosphoramidates Employing a Modified Staudinger Reaction

Currie, Iain,Sleebs, Brad E.

supporting information, p. 464 - 468 (2021/02/03)

A one-step synthesis of acyl phosphoramidates from a variety of functionalized acyl azides has been developed employing trimethylsilyl chloride as an activating agent in a modified Staudinger reaction. The methodology was further adapted to include the in situ generation of the acyl azides from a diverse selection of carboxylic acids and hydrazide starting synthons. The reaction scope was extended to include the synthesis of imidodiphosphates and the natural product Microcin C.

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