Cas 777916-04-8,2-[(2E,4E)-1-Benzenesulfonyl-3-methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienyl]-2-methyl-cyclopropane-1,1-dicarboxylic acid diethyl ester

777916-04-8

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Basic information

Product Name: 2-[(2E,4E)-1-Benzenesulfonyl-3-methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienyl]-2-methyl-cyclopropane-1,1-dicarboxylic acid diethyl ester
Synonyms: 2-[(2E,4E)-1-Benzenesulfonyl-3-methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienyl]-2-methyl-cyclopropane-1,1-dicarboxylic acid diethyl ester
CAS NO:777916-04-8
Molecular Formula:
Molecular Weight: 542.737
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: 2-[(2E,4E)-1-Benzenesulfonyl-3-methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienyl]-2-methyl-cyclopropane-1,1-dicarboxylic acid diethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2-[(2E,4E)-1-Benzenesulfonyl-3-methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienyl]-2-methyl-cyclopropane-1,1-dicarboxylic acid diethyl ester(777916-04-8)
EPA Substance Registry System: 2-[(2E,4E)-1-Benzenesulfonyl-3-methyl-5-(2,6,6-trimethyl-cyclohex-1-enyl)-penta-2,4-dienyl]-2-methyl-cyclopropane-1,1-dicarboxylic acid diethyl ester(777916-04-8)

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: 777916-04-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 777916-04-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,7,9,1 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 777916-04:
(8*7)+(7*7)+(6*7)+(5*9)+(4*1)+(3*6)+(2*0)+(1*4)=218
218 % 10 = 8
So 777916-04-8 is a valid CAS Registry Number.

777916-04-8Upstream product

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777916-04-8Relevant academic research and scientific papers

Preparation of the conjugated polyene chains with the 1,4-dimethyl substitution

Jeon, Hye-Sun,Koo, Sangho

, p. 7023 - 7026 (2004)

Allylic sulfones undergo the conjugate addition to diethyl chloroisopropylidenemalonate, followed by intramolecular cyclopropanation. DBU-promoted ring opening and subsequent desulfonation reactions of the resulting adduct produce the conjugated polyene chains with the 1,4-dimethyl substitution.

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