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82159-46-4

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82159-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82159-46-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,5 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82159-46:
(7*8)+(6*2)+(5*1)+(4*5)+(3*9)+(2*4)+(1*6)=134
134 % 10 = 4
So 82159-46-4 is a valid CAS Registry Number.

82159-46-4Downstream Products

82159-46-4Relevant academic research and scientific papers

Reaction of phenyl N-phenylphosphoramidoazidate with carboxylic acids and amines

Arrieta, Ana,Palomo, Claudio

, p. 7 - 11 (2007/10/02)

Phenyl N-phenylphosphoramidoazidate, in contrast to N,N'-disubstituted phosphorodiamidic azides, undergoes nucleophilic displacement of the azido group by reaction with carboxylic acids and amines.Possible mechanisms for the conversion of phenyl N-phenylphosphoramidoazidate into N,N'-disubstituted ureas are briefly discussed.

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