Cas 281663-92-1,[1-ethoxycarbonylmethylsulfanyl-2-(4-methyl-benzoyl)-3-oxo-3-<i>p</i>-tolyl-propenylsulfanyl]-acetic acid ethyl ester

281663-92-1

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Basic information

Product Name: [1-ethoxycarbonylmethylsulfanyl-2-(4-methyl-benzoyl)-3-oxo-3-p-tolyl-propenylsulfanyl]-acetic acid ethyl ester
Synonyms: [1-ethoxycarbonylmethylsulfanyl-2-(4-methyl-benzoyl)-3-oxo-3-p-tolyl-propenylsulfanyl]-acetic acid ethyl ester
CAS NO:281663-92-1
Molecular Formula:
Molecular Weight: 500.637
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: [1-ethoxycarbonylmethylsulfanyl-2-(4-methyl-benzoyl)-3-oxo-3-p-tolyl-propenylsulfanyl]-acetic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: [1-ethoxycarbonylmethylsulfanyl-2-(4-methyl-benzoyl)-3-oxo-3-p-tolyl-propenylsulfanyl]-acetic acid ethyl ester(281663-92-1)
EPA Substance Registry System: [1-ethoxycarbonylmethylsulfanyl-2-(4-methyl-benzoyl)-3-oxo-3-p-tolyl-propenylsulfanyl]-acetic acid ethyl ester(281663-92-1)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 281663-92-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 281663-92-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,1,6,6 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 281663-92:
(8*2)+(7*8)+(6*1)+(5*6)+(4*6)+(3*3)+(2*9)+(1*2)=161
161 % 10 = 1
So 281663-92-1 is a valid CAS Registry Number.

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281663-92-1Relevant academic research and scientific papers

Synthesis of 3,4-bis (4'-methylphenyl) thieno [2,3-b]thiophene: First example of peri-diaryl thienothiophene

Mashraqui, Sabir H.,Hariharasubrahmanian, Harini

, p. 1695 - 1701 (2000)

3,4-bis(4'-methylphenyl) thienothiophene, the first example of peri- (3,4) diaryl thienothiophene has been synthesized by a sequence involving preparation of ketene dithioacetal, Dieckmann type cyclization, ester hydrolysis and decarboxylation.

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