Cas 71920-45-1,ethyl 2-hydroxy-6-oxo-1,4-diphenyl-1,6-dihydropyridine-3-carboxylate

71920-45-1

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Basic information

Product Name: ethyl 2-hydroxy-6-oxo-1,4-diphenyl-1,6-dihydropyridine-3-carboxylate
Synonyms: ethyl 2-hydroxy-6-oxo-1,4-diphenyl-1,6-dihydropyridine-3-carboxylate
CAS NO:71920-45-1
Molecular Formula:
Molecular Weight: 335.359
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 2-hydroxy-6-oxo-1,4-diphenyl-1,6-dihydropyridine-3-carboxylate(CAS DataBase Reference)
NIST Chemistry Reference: ethyl 2-hydroxy-6-oxo-1,4-diphenyl-1,6-dihydropyridine-3-carboxylate(71920-45-1)
EPA Substance Registry System: ethyl 2-hydroxy-6-oxo-1,4-diphenyl-1,6-dihydropyridine-3-carboxylate(71920-45-1)

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: 71920-45-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 71920-45-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,2 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71920-45:
(7*7)+(6*1)+(5*9)+(4*2)+(3*0)+(2*4)+(1*5)=121
121 % 10 = 1
So 71920-45-1 is a valid CAS Registry Number.

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71920-45-1Relevant academic research and scientific papers

A catalytic multicomponent protocol to dihydropyridine-3-carboxylate from terminal alkynes, isocyanates, and malonates

Beigi-Somar, Vahid,Homami, Seyed Saied,Ghazanfarpour-Darjani, Majid,Monzavi, Amirhossein

, p. 231 - 241 (2020)

Abstract: A domino catalytic reaction between terminal alkynes, isocyanates, and malonates has been developed. Copper acetylides attack on isocyanates to form a propargylic amide species which further reacted with malonates by the action of t-BuOLi to for

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