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Diethyl (2,2-diphenylvinylidene)phosphoramidate is a complex organic compound with the chemical formula C22H23NOP. It is a colorless to pale yellow liquid, soluble in organic solvents, and has a molecular weight of 343.4 g/mol. diethyl (2,2-diphenylvinylidene)phosphoramidate is characterized by its phosphorus-nitrogen double bond and a vinylidene group, which is derived from the condensation of diphenylmethyl with phosphorus trichloride and subsequent reaction with diethylamine. It is used as a precursor in the synthesis of various organophosphorus compounds, particularly in the production of pesticides and flame retardants. Due to its reactivity and potential toxicity, it is important to handle this chemical with care, following appropriate safety protocols.

4336-63-4

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4336-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4336-63-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,3 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4336-63:
(6*4)+(5*3)+(4*3)+(3*6)+(2*6)+(1*3)=84
84 % 10 = 4
So 4336-63-4 is a valid CAS Registry Number.

4336-63-4Relevant academic research and scientific papers

Reaction of lithium trimethylsilyldiazomethanide with ketenimines bearing electron-withdrawing groups

Aoyama,Nakano,Marumo,Uno,Shioiri

, p. 1163 - 1167 (2007/10/02)

Ketenimines bearing electron-withdrawing groups (X in 1) at the C2-position react with lithium trimethylsilyldiazomethanide [diazo(lithio)trimethylsilylmethane] to give 4-amino-3-trimethylsilylpyrazoles 4 or 5 mainly; in some cases 4-trimethylsilyl-1,2,3-triazole derivatives 3 were formed as the major products.

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