Cas 674780-19-9,Benzoic acid, 4,4'-[(1E)-1,2-dicyano-1,2-ethenediyl]bis-, dimethyl ester

674780-19-9

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Basic information

Product Name: Benzoic acid, 4,4'-[(1E)-1,2-dicyano-1,2-ethenediyl]bis-, dimethyl ester
Synonyms:
CAS NO:674780-19-9
Molecular Formula: C20H14N2O4
Molecular Weight: 346.342
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: Benzoic acid, 4,4'-[(1E)-1,2-dicyano-1,2-ethenediyl]bis-, dimethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: Benzoic acid, 4,4'-[(1E)-1,2-dicyano-1,2-ethenediyl]bis-, dimethyl ester(674780-19-9)
EPA Substance Registry System: Benzoic acid, 4,4'-[(1E)-1,2-dicyano-1,2-ethenediyl]bis-, dimethyl ester(674780-19-9)

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: 674780-19-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 674780-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,4,7,8 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 674780-19:
(8*6)+(7*7)+(6*4)+(5*7)+(4*8)+(3*0)+(2*1)+(1*9)=199
199 % 10 = 9
So 674780-19-9 is a valid CAS Registry Number.

674780-19-9Upstream product

76469-88-0 methyl 4-(cyanomethyl)benzoate

674780-19-9Downstream Products

1332339-43-1 C₅₆H₅₂N₈O₄

674780-19-9Relevant academic research and scientific papers

Novel peripherally functionalized seco-porphyrazines: Synthesis, characterization and spectroscopic evaluation

Sakellariou, Efstathia G.,Montalban, Antonio Garrido,Beall, Scott L.,Henderson, David,Meunier, Hubert G.,Phillips, David,Suhling, Klaus,Barrett, Anthony G. M.,Hoffman, Brian M.

, p. 9083 - 9090 (2003)

Co-macrocyclizations of 2,3-dipropylmaleonitrile and 2,3-di-(4- (methoxycarbonyl)phenyl)maleonitrile, respectively, with N,N′-dibenzyl-N, N′-di-(11-tetrahydropyranyloxy-3,6,9-trioxo-undecyl))maleonitrile and N,N,N′,N′-tetramethylmaleonitrile were used to prepare derivatives of the 4,5-diamino-porphyrazine systems including the zinc(II) complexes. Subsequent oxidation of the macrocycles with potassium permanganate gave the corresponding seco-porphyrazines. These were shown to be efficient sensitizers for the production of singlet oxygen (ΦΔ=0.15-0.57) by the determination of their photophysical properties.

THE PREPARATION OF A DYE COMPOUND AND A METHOD FOR MAKING THE SAME

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Page/Page column 12, (2010/12/26)

The invention relates to a dye compound consisting of four cyclically linked components, the four components comprising at least one linker compound. According to the invention the at least one linker compound is selected from a first linker compound or a second linker compound, the first linker compound having an aromatic carboxylic acid or an alkyl ester thereof, the aromatic group being bonded to fumaronitrile, and the second linker compound having an aromatic carboxylic acid or an alkyl ester thereof, the aromatic group being bonded to phthalonitrile.

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