Cas 77488-47-2,2-Benzhydrylidene-1,1,4-triphenyl-1,2-dihydro-benzo[a]cyclopropa[c]cycloheptene

77488-47-2

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Basic information

Product Name: 2-Benzhydrylidene-1,1,4-triphenyl-1,2-dihydro-benzo[a]cyclopropa[c]cycloheptene
Synonyms: 2-Benzhydrylidene-1,1,4-triphenyl-1,2-dihydro-benzo[a]cyclopropa[c]cycloheptene
CAS NO:77488-47-2
Molecular Formula:
Molecular Weight: 546.711
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-Benzhydrylidene-1,1,4-triphenyl-1,2-dihydro-benzo[a]cyclopropa[c]cycloheptene(CAS DataBase Reference)
NIST Chemistry Reference: 2-Benzhydrylidene-1,1,4-triphenyl-1,2-dihydro-benzo[a]cyclopropa[c]cycloheptene(77488-47-2)
EPA Substance Registry System: 2-Benzhydrylidene-1,1,4-triphenyl-1,2-dihydro-benzo[a]cyclopropa[c]cycloheptene(77488-47-2)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 77488-47-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 77488-47-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,8 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77488-47:
(7*7)+(6*7)+(5*4)+(4*8)+(3*8)+(2*4)+(1*7)=182
182 % 10 = 2
So 77488-47-2 is a valid CAS Registry Number.

77488-47-2Upstream product

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77488-47-2Relevant academic research and scientific papers

NEW ROUTES TO 5,8,8-TRIPHENYLBENZOHEPTAFULVENES FROM (3,4-BIS(DIPHENYLMETHYLENE)-2-OXOCYCLOBUTYLIDENE)TRIPHENYLPHOSPHORANE. ISOLATION OF EXCESSIVELY STABILIZED BETAINE.

Toda, Fumio,Tanaka, Koichi

, p. 4869 - 4872 (1980)

Thermal isomerization of HBr salt of the title phosphorane gave (2-hydroxy-5,8,8-triphenylbenzoheptafulvenyl)triphenylphophonium bromide, which upon dehydrobromination afforded excessively stabilized betaine.Thermal reaction of the title phosphorane with diphenylketene gave 5,8,8-triphenyl-benzoheptafulvene which is condensed with cyclopropane ring.

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