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188254-66-2

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188254-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188254-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,2,5 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 188254-66:
(8*1)+(7*8)+(6*8)+(5*2)+(4*5)+(3*4)+(2*6)+(1*6)=172
172 % 10 = 2
So 188254-66-2 is a valid CAS Registry Number.

188254-66-2Relevant academic research and scientific papers

Synthesis, crystal structure and rearrangement of a methylene(ylene)-phosphorane containing a CH2-moiety at an sp2-hybridized phosphorus(v) centre

Schinkels, Bernd,Ruban, Alexander,Nieger, Martin,Niecke, Edgar

, p. 293 - 294 (1997)

The reaction of the iminophosphane, (Me3Si)3C-P=N-Mes *, with Me2S=CH2 affords the first methylenephosphorane containing a CH2 moiety at an sp2-hybridized phosphorus(v) centre; the crystal

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