Cas 137008-75-4,1,1,3,3-Tetraphenyl-5-[1-phenyl-meth-(Z)-ylidene]-4,5-dihydro-1H-3λ<sup>5</sup>-[1,3]diphosphol-1-ium; bromide

137008-75-4

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Basic information

Product Name: 1,1,3,3-Tetraphenyl-5-[1-phenyl-meth-(Z)-ylidene]-4,5-dihydro-1H-3λ⁵-[1,3]diphosphol-1-ium; bromide
Synonyms:
CAS NO:137008-75-4
Molecular Formula:
Molecular Weight: 579.456
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: 1,1,3,3-Tetraphenyl-5-[1-phenyl-meth-(Z)-ylidene]-4,5-dihydro-1H-3λ⁵-[1,3]diphosphol-1-ium; bromide(CAS DataBase Reference)
NIST Chemistry Reference: 1,1,3,3-Tetraphenyl-5-[1-phenyl-meth-(Z)-ylidene]-4,5-dihydro-1H-3λ⁵-[1,3]diphosphol-1-ium; bromide(137008-75-4)
EPA Substance Registry System: 1,1,3,3-Tetraphenyl-5-[1-phenyl-meth-(Z)-ylidene]-4,5-dihydro-1H-3λ⁵-[1,3]diphosphol-1-ium; bromide(137008-75-4)

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: 137008-75-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 137008-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,0 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137008-75:
(8*1)+(7*3)+(6*7)+(5*0)+(4*0)+(3*8)+(2*7)+(1*5)=114
114 % 10 = 4
So 137008-75-4 is a valid CAS Registry Number.

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137008-75-4Relevant academic research and scientific papers

1λ5,3λ5-Diphosphole Derivatives from Bis(diphenylphosphino)methane and Propargyl Bromides

Schmidpeter, Alfred,Stocker, Johanna,Karaghiosoff, Konstantin

, p. 67 - 72 (2007/10/02)

The two title reagents 2 and 3 form a five-membered 1,3-diphosphole ring by nucleophilic interaction of the two phosphino groups of 2 with the methylene carbon atom and the adjacent acetylenic carbon atom of 3. (Phosphinomethyl)propargylphosphonium, dipho

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