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129687-29-2

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129687-29-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129687-29-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,8 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129687-29:
(8*1)+(7*2)+(6*9)+(5*6)+(4*8)+(3*7)+(2*2)+(1*9)=172
172 % 10 = 2
So 129687-29-2 is a valid CAS Registry Number.

129687-29-2Downstream Products

129687-29-2Relevant academic research and scientific papers

FIRST SYNTHESIS OF PENTACOORDINATED PHOSPHIRENES

Ehle, Michael,Wagner, Oliver,Bergstraesser, Uwe,Regitz, Manfred

, p. 3429 - 3432 (2007/10/02)

1-Halo- and 1-cyano-1H-phosphirenes 8a-d react with tetrachloro-o-quinone (9) by oxidative addition at phosphorus to furnish the previously unknown title compounds 10a-d.The chlorine atom in the pentacoordinated phosphirene 10a undergoes nucleophilic exchange reactions yielding 10c-e.

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