Cas 1776-93-8,ethyl phenyl (4-nitrophenyl)phosphonate

1776-93-8

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Basic information

Product Name: ethyl phenyl (4-nitrophenyl)phosphonate
Synonyms: ethyl phenyl (4-nitrophenyl)phosphonate
CAS NO:1776-93-8
Molecular Formula:
Molecular Weight: 307.243
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: ethyl phenyl (4-nitrophenyl)phosphonate(CAS DataBase Reference)
NIST Chemistry Reference: ethyl phenyl (4-nitrophenyl)phosphonate(1776-93-8)
EPA Substance Registry System: ethyl phenyl (4-nitrophenyl)phosphonate(1776-93-8)

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: 1776-93-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1776-93-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,7 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1776-93:
(6*1)+(5*7)+(4*7)+(3*6)+(2*9)+(1*3)=108
108 % 10 = 8
So 1776-93-8 is a valid CAS Registry Number.

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1776-93-8Downstream Products

1776-93-8Relevant academic research and scientific papers

Direct Aryloxylation/Alkyloxylation of Dialkyl Phosphonates for the Synthesis of Mixed Phosphonates

Huang, Hai,Denne, Johanna,Yang, Chou-Hsun,Wang, Haobin,Kang, Jun Yong

, p. 6624 - 6628 (2018/05/14)

A strategy for the direct functionalization strategy of inertial dialkyl phosphonates with hydroxy compounds to afford diverse mixed phosphonates with good yields and functional-group tolerance has been developed. Mechanistic investigations involving both NMR studies and DFT studies suggest that an unprecedented highly reactive PV species (phosphoryl pyridin-1-ium salt), a key intermediate for this new synthetic transformation, is generated in situ from dialkyl phosphonate in the presence of Tf2O/pyridine.

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