Cas 136001-77-9,2-Ethoxy-2-oxo-4-phenyl-2H-2λ<sup>5</sup>-[1,2]oxaphosphole-5,5-dicarboxylic acid diethyl ester

136001-77-9

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Basic information

Product Name: 2-Ethoxy-2-oxo-4-phenyl-2H-2λ⁵-[1,2]oxaphosphole-5,5-dicarboxylic acid diethyl ester
Synonyms: 2-Ethoxy-2-oxo-4-phenyl-2H-2λ⁵-[1,2]oxaphosphole-5,5-dicarboxylic acid diethyl ester
CAS NO:136001-77-9
Molecular Formula:
Molecular Weight: 368.323
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-Ethoxy-2-oxo-4-phenyl-2H-2λ⁵-[1,2]oxaphosphole-5,5-dicarboxylic acid diethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2-Ethoxy-2-oxo-4-phenyl-2H-2λ⁵-[1,2]oxaphosphole-5,5-dicarboxylic acid diethyl ester(136001-77-9)
EPA Substance Registry System: 2-Ethoxy-2-oxo-4-phenyl-2H-2λ⁵-[1,2]oxaphosphole-5,5-dicarboxylic acid diethyl ester(136001-77-9)

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: 136001-77-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 136001-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,0,0 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 136001-77:
(8*1)+(7*3)+(6*6)+(5*0)+(4*0)+(3*1)+(2*7)+(1*7)=89
89 % 10 = 9
So 136001-77-9 is a valid CAS Registry Number.

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136001-77-9Relevant academic research and scientific papers

REACTIONS OF DIALKYL ALKYNYLPHOSPHONITES WITH DIETHYL MESOXALATE IN THE PRESENCE OF PROTON DONORS

Dokuchaeva, I. S.,Konovalova, I. V.,Trishin, Yu. G.,Burnaeva, L. A.,Kazanina, T. Yu.,et al.

, p. 554 - 558 (2007/10/02)

In the reaction of dialkyl alkynylphosphonites with diethyl mesoxalate in the presence of water or alcohol, substituted Δ3-1,2-oxaphospholenes are formed, which are probably the protonation products of the intermediately formed cyclic ylides.

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