Cas 90963-72-7,{2-Fluoren-9-ylidene-4-phenyl-8-[1-phenyl-meth-(E)-ylidene]-5,6,7,8-tetrahydro-4H-chromen-3-ylidene}-triphenyl-λ<sup>5</sup>-phosphane

90963-72-7

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Basic information

Product Name: {2-Fluoren-9-ylidene-4-phenyl-8-[1-phenyl-meth-(E)-ylidene]-5,6,7,8-tetrahydro-4H-chromen-3-ylidene}-triphenyl-λ⁵-phosphane
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CAS NO:90963-72-7
Molecular Formula:
Molecular Weight: 724.882
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: {2-Fluoren-9-ylidene-4-phenyl-8-[1-phenyl-meth-(E)-ylidene]-5,6,7,8-tetrahydro-4H-chromen-3-ylidene}-triphenyl-λ⁵-phosphane(CAS DataBase Reference)
NIST Chemistry Reference: {2-Fluoren-9-ylidene-4-phenyl-8-[1-phenyl-meth-(E)-ylidene]-5,6,7,8-tetrahydro-4H-chromen-3-ylidene}-triphenyl-λ⁵-phosphane(90963-72-7)
EPA Substance Registry System: {2-Fluoren-9-ylidene-4-phenyl-8-[1-phenyl-meth-(E)-ylidene]-5,6,7,8-tetrahydro-4H-chromen-3-ylidene}-triphenyl-λ⁵-phosphane(90963-72-7)

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RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 90963-72-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 90963-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,6 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90963-72:
(7*9)+(6*0)+(5*9)+(4*6)+(3*3)+(2*7)+(1*2)=157
157 % 10 = 7
So 90963-72-7 is a valid CAS Registry Number.

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90963-72-7Relevant academic research and scientific papers

PYRANDERIVATE DURCH -CYCLOADDITION ZWISCHEN α,β-UNGESAETTIGTEN CARBONYLVERBINDUNGEN UND PHOSPHACUMULENYLIDEN

Bestmann, H.J.,Schmid, G.

, p. 1441 - 1444 (2007/10/02)

α,β-Unsaturated carbonyl compounds 1 and phosphacumulene ylides 2 undergo a -cycloaddition with formation of pyran-substituted phosphoranes 3.Benzoic acid catalyzed Hofmann degradation of 3 yields the deeply coloured pyran derivatives 5.

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