Cas 917952-99-9,5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene

917952-99-9

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Basic information

Product Name: 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene
Synonyms: 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene
CAS NO:917952-99-9
Molecular Formula:
Molecular Weight: 1149.44
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: 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene(CAS DataBase Reference)
NIST Chemistry Reference: 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene(917952-99-9)
EPA Substance Registry System: 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene(917952-99-9)

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: 917952-99-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 917952-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,7,9,5 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 917952-99:
(8*9)+(7*1)+(6*7)+(5*9)+(4*5)+(3*2)+(2*9)+(1*9)=219
219 % 10 = 9
So 917952-99-9 is a valid CAS Registry Number.

917952-99-9Upstream product

172036-62-3 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-bis(hydroxy)calix[4]arene

917952-99-9Downstream Products

917952-99-9Relevant academic research and scientific papers

Phosphorus-phosphorus coupling in a diphosphine with a ten bond P...P separation

Kuhn,Jeunesse,Matt,Harrowfield,Ricard

, p. 3454 - 3457 (2006)

The large, unsymmetrical diphosphine 5,11,17,23-tetra-tert-butyl-25,26- bis(diphenylphosphinomethoxy)-27(or 28)-benzoyloxy-28(or 27)-hydroxycalix[4] arene, in which the phosphorus atoms are separated by ten bonds, was prepared by monobenzoylation of 5,11,

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