Cas 118816-29-8,1-Methyl-4-[3-(1-methyl-1H-pyridin-4-ylidene)-4,5-diphenyl-cyclopenta-1,4-dienyl]-pyridinium; iodide

118816-29-8

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Basic information

Product Name: 1-Methyl-4-[3-(1-methyl-1H-pyridin-4-ylidene)-4,5-diphenyl-cyclopenta-1,4-dienyl]-pyridinium; iodide
Synonyms: 1-Methyl-4-[3-(1-methyl-1H-pyridin-4-ylidene)-4,5-diphenyl-cyclopenta-1,4-dienyl]-pyridinium; iodide
CAS NO:118816-29-8
Molecular Formula:
Molecular Weight: 528.435
EINECS: N/A
Product Categories: N/A
Mol File: 118816-29-8.mol
Article Data: 1

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: 1-Methyl-4-[3-(1-methyl-1H-pyridin-4-ylidene)-4,5-diphenyl-cyclopenta-1,4-dienyl]-pyridinium; iodide(CAS DataBase Reference)
NIST Chemistry Reference: 1-Methyl-4-[3-(1-methyl-1H-pyridin-4-ylidene)-4,5-diphenyl-cyclopenta-1,4-dienyl]-pyridinium; iodide(118816-29-8)
EPA Substance Registry System: 1-Methyl-4-[3-(1-methyl-1H-pyridin-4-ylidene)-4,5-diphenyl-cyclopenta-1,4-dienyl]-pyridinium; iodide(118816-29-8)

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: 118816-29-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 118816-29-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,8,1 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 118816-29:
(8*1)+(7*1)+(6*8)+(5*8)+(4*1)+(3*6)+(2*2)+(1*9)=138
138 % 10 = 8
So 118816-29-8 is a valid CAS Registry Number.

118816-29-8Upstream product

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118816-29-8Relevant articles and documents

Bridged Cyanine Dyes. Part 1. 1-(N-Methyl-4-pyridinio)-3-(N-methylpyridylene)cyclopenta-1,4-dienes

Katritzky, Alan R.,Fan, Wei-Qiang,Li, Qiao-Ling

, p. 1311 - 1314 (2007/10/02)

1,3-Bis(N-methyl-4-pyridinio)propane is condensed with a series of α-diketones to form deep red monocyanine dyes 8.In strongly acidic solutions C-protonation occurs at the central carbon atom.A similar condensation with α-ketoesters yields zwitterionic cy

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