Cas 1173191-25-7,4-(2-naphthyl)-2-phenyl-4,5,6,7-tetrahydrocyclopenta[b]pyran-5-one

1173191-25-7

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Basic information

Product Name: 4-(2-naphthyl)-2-phenyl-4,5,6,7-tetrahydrocyclopenta[b]pyran-5-one
Synonyms: 4-(2-naphthyl)-2-phenyl-4,5,6,7-tetrahydrocyclopenta[b]pyran-5-one
CAS NO:1173191-25-7
Molecular Formula:
Molecular Weight: 338.406
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: 4-(2-naphthyl)-2-phenyl-4,5,6,7-tetrahydrocyclopenta[b]pyran-5-one(CAS DataBase Reference)
NIST Chemistry Reference: 4-(2-naphthyl)-2-phenyl-4,5,6,7-tetrahydrocyclopenta[b]pyran-5-one(1173191-25-7)
EPA Substance Registry System: 4-(2-naphthyl)-2-phenyl-4,5,6,7-tetrahydrocyclopenta[b]pyran-5-one(1173191-25-7)

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: 1173191-25-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1173191-25-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,1,9 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1173191-25:
(9*1)+(8*1)+(7*7)+(6*3)+(5*1)+(4*9)+(3*1)+(2*2)+(1*5)=137
137 % 10 = 7
So 1173191-25-7 is a valid CAS Registry Number.

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1173191-25-7Relevant academic research and scientific papers

InBr3-catalyzed annulations of cyclic 1,3-diketones with aryl propargyl alcohols: a novel synthesis of 2,4-diaryldihydropyrans

Yadav,Subba Reddy,Raghavendra Rao,Narender

experimental part, p. 3963 - 3965 (2009/10/04)

The cyclic 1,3-dicarbonyl compounds undergo smooth cyclization with aryl propargyl alcohols in the presence of 10 mol % indium tribromide in refluxing dichloroethane to produce 2,4-diarylpyran derivatives in good yields with high selectivity.

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