Cas 102740-23-8,4-Hydroxy-5-methyl-2-((1E,3E)-1-methyl-penta-1,3-dienyl)-benzoic acid ethyl ester

102740-23-8

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Basic information

Product Name: 4-Hydroxy-5-methyl-2-((1E,3E)-1-methyl-penta-1,3-dienyl)-benzoic acid ethyl ester
Synonyms: 4-Hydroxy-5-methyl-2-((1E,3E)-1-methyl-penta-1,3-dienyl)-benzoic acid ethyl ester
CAS NO:102740-23-8
Molecular Formula:
Molecular Weight: 260.333
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: 4-Hydroxy-5-methyl-2-((1E,3E)-1-methyl-penta-1,3-dienyl)-benzoic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 4-Hydroxy-5-methyl-2-((1E,3E)-1-methyl-penta-1,3-dienyl)-benzoic acid ethyl ester(102740-23-8)
EPA Substance Registry System: 4-Hydroxy-5-methyl-2-((1E,3E)-1-methyl-penta-1,3-dienyl)-benzoic acid ethyl ester(102740-23-8)

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: 102740-23-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 102740-23-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,7,4 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 102740-23:
(8*1)+(7*0)+(6*2)+(5*7)+(4*4)+(3*0)+(2*2)+(1*3)=78
78 % 10 = 8
So 102740-23-8 is a valid CAS Registry Number.

102740-23-8Upstream product

102740-23-8Downstream Products

102740-23-8Relevant academic research and scientific papers

Avermectin-Milbemycin Studies. 4. An Expedient Two-Step Preparation of p-Hydroxybenzoates

Smith, Amos B.,Kilenyi, Nicholas S.

, p. 4419 - 4422 (1985)

Dianions derived from a variety of 1,3-diketones react with Z-ethyl-3-bromopropenoate to afford unsaturated diketoesters which upon treatment with base undergo facile cyclization-dehydration to p-hydroxybenzoates.

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