Cas 186142-34-7,1,2-bis(2,4-di-t-butyl-6-methylphenyl)-1,2-bis(phenylethynyl)diphosphane

186142-34-7

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Basic information

Product Name: 1,2-bis(2,4-di-t-butyl-6-methylphenyl)-1,2-bis(phenylethynyl)diphosphane
Synonyms:
CAS NO:186142-34-7
Molecular Formula:
Molecular Weight: 670.898
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: 1,2-bis(2,4-di-t-butyl-6-methylphenyl)-1,2-bis(phenylethynyl)diphosphane(CAS DataBase Reference)
NIST Chemistry Reference: 1,2-bis(2,4-di-t-butyl-6-methylphenyl)-1,2-bis(phenylethynyl)diphosphane(186142-34-7)
EPA Substance Registry System: 1,2-bis(2,4-di-t-butyl-6-methylphenyl)-1,2-bis(phenylethynyl)diphosphane(186142-34-7)

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: 186142-34-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 186142-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,1,4 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 186142-34:
(8*1)+(7*8)+(6*6)+(5*1)+(4*4)+(3*2)+(2*3)+(1*4)=137
137 % 10 = 7
So 186142-34-7 is a valid CAS Registry Number.

186142-34-7Upstream product

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186142-34-7Relevant academic research and scientific papers

Rotational isomers of a 1,2-diphenyl-3,4-diphosphinidenecyclobutene

Yoshifuji, Masaaki,Ichikawa, Yoshito,Toyota, Kozo,Kasashima, Eiji,Okamoto, Yoshio

, p. 87 - 88 (1997)

The group-6 metal tetracarbonyl complexes of 3,4-diphosphinidenecyclobutenes protected with the 2,4-di-t-butyl-6-methylphenyl group were prepared and one of the rotamers, ligated with W(CO)4, was confirmed by X-ray analysis while the other was

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