Cas 90963-77-2,8-Fluoren-9-ylidene-9-(triphenyl-λ<sup>5</sup>-phosphanylidene)-9,10-dihydro-8H-7-oxa-fluoranthene-10-carboxylic acid methyl ester

90963-77-2

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Basic information

Product Name: 8-Fluoren-9-ylidene-9-(triphenyl-λ⁵-phosphanylidene)-9,10-dihydro-8H-7-oxa-fluoranthene-10-carboxylic acid methyl ester
Synonyms:
CAS NO:90963-77-2
Molecular Formula:
Molecular Weight: 688.762
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: 8-Fluoren-9-ylidene-9-(triphenyl-λ⁵-phosphanylidene)-9,10-dihydro-8H-7-oxa-fluoranthene-10-carboxylic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 8-Fluoren-9-ylidene-9-(triphenyl-λ⁵-phosphanylidene)-9,10-dihydro-8H-7-oxa-fluoranthene-10-carboxylic acid methyl ester(90963-77-2)
EPA Substance Registry System: 8-Fluoren-9-ylidene-9-(triphenyl-λ⁵-phosphanylidene)-9,10-dihydro-8H-7-oxa-fluoranthene-10-carboxylic acid methyl ester(90963-77-2)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 90963-77-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 90963-77-2 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 90963-77:
(7*9)+(6*0)+(5*9)+(4*6)+(3*3)+(2*7)+(1*7)=162
162 % 10 = 2
So 90963-77-2 is a valid CAS Registry Number.

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90963-77-2Relevant 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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