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219992-53-7

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219992-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219992-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,9 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 219992-53:
(8*2)+(7*1)+(6*9)+(5*9)+(4*9)+(3*2)+(2*5)+(1*3)=177
177 % 10 = 7
So 219992-53-7 is a valid CAS Registry Number.

219992-53-7Downstream Products

219992-53-7Relevant academic research and scientific papers

N-thiophosphorylated and N-phosphorylated iminophosphoranes [R3P=N- P(X)R'2; X = O, S] as models for dendrimers: Synthesis, reactivity and crystal structures

Larre, Christophe,Donnadieu, Bruno,Caminade, Anne-Marie,Majoral, Jean-Pierre

, p. 601 - 611 (2007/10/03)

Several R3P=N-P(X)R'2 and Fe[C5H4Ph2P=N-P(X)R'2]2 derivatives (X = S, O) are readily obtained from Staudinger reactions between phosphanes and N3-P(X)R'2. T

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