Cas 276263-79-7,2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 8-methoxy-2,2-bis(4-methoxyphenyl)-, methyl ester

276263-79-7

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Basic information

Product Name: 2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 8-methoxy-2,2-bis(4-methoxyphenyl)-, methyl ester
Synonyms:
CAS NO:276263-79-7
Molecular Formula: C30H26O6
Molecular Weight: 482.533
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: 2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 8-methoxy-2,2-bis(4-methoxyphenyl)-, methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 8-methoxy-2,2-bis(4-methoxyphenyl)-, methyl ester(276263-79-7)
EPA Substance Registry System: 2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 8-methoxy-2,2-bis(4-methoxyphenyl)-, methyl ester(276263-79-7)

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: 276263-79-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 276263-79-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,6,2,6 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 276263-79:
(8*2)+(7*7)+(6*6)+(5*2)+(4*6)+(3*3)+(2*7)+(1*9)=167
167 % 10 = 7
So 276263-79-7 is a valid CAS Registry Number.

276263-79-7Upstream product

101597-25-5 1,1-bis(4-methoxyphenyl)-2-propyn-1-ol

276263-79-7Downstream Products

915797-12-5 [8-methoxy-2,2-bis-(4-methoxy-phenyl)-2H-benzo[h]chromen-5-yl]-methanol

276263-79-7Relevant academic research and scientific papers

Synthesis and photochromic properties of methoxy substituted 2,2-diaryl-2H-naphtho[1,2-b]pyrans

Gabbutt, Christopher D.,Hepworth, John D.,Heron, B. Mark,Thomas, David A.,Kilner, Colin,Partington, Steven M.

, p. 567 - 582 (2007/10/03)

A series of methoxy-substituted 2,2-di(4-methoxyphenyl)-2H-naphtho[1,2-b]pyrans has been synthesised from 3-alkoxycarbonyl-1-naphthols and 1,1-di(4-methoxyphenyl)prop-2-yn-1-ol. The influence of the methoxy group on the wavelength of maximum absorption an

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