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1,4-Ethanonaphthalene-5,8-dione, 1,4,4a,8a-tetrahydro-1,7-dimethoxy- is a complex organic compound with the molecular formula C13H14O4. It is a derivative of naphthalene, featuring a seven-membered ring with an ethanone group at positions 1 and 4, and two methoxy groups at positions 1 and 7. 1,4-Ethanonaphthalene-5,8-dione, 1,4,4a,8a-tetrahydro-1,7-dimethoxy- is characterized by its unique structure, which includes a saturated four-membered ring (tetrahydro) and a five-membered ring, making it a valuable compound for various chemical and pharmaceutical applications. Its chemical properties and reactivity are influenced by the presence of the carbonyl groups, the methoxy groups, and the overall molecular structure.

58785-57-2

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58785-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58785-57-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,7,8 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 58785-57:
(7*5)+(6*8)+(5*7)+(4*8)+(3*5)+(2*5)+(1*7)=182
182 % 10 = 2
So 58785-57-2 is a valid CAS Registry Number.

58785-57-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 5,8-dimethoxy-2,7,9,10-tetrahydro-1H-tricyclo[6.2.2.0<sup>2,7</sup>]dodeca-3,9-diene-3,6-dione

1.2 Other means of identification

Product number -
Other names 1,4,4a,8a-tetrahydro-1,7-dimethoxy-1,4-ethanonaphthalene-5,8-dione

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:58785-57-2 SDS

58785-57-2Downstream Products

58785-57-2Relevant academic research and scientific papers

A new type of abnormal reimer-tiemann reaction

Bird,Bronw,Chan

, p. 4685 - 4690 (2007/10/02)

The treatment of l, 2, 3, 4, 4a, 9b-hexahydro-3, 8-dihydroxy-7-methoxy-9b-(2'-methoxyethyl)dibenzofuran with chloroform and aqueous potassium hydroxide under conventional Reimer-Tiemann reaction conditions resulted in the replacement of the 7-methoxyl group by a carbaldehyde one. A choice between alternative pathways for this novel displacement has been facilitated by examination of the behaviour of the corresponding 7-trideuteromethoxy compound. Dichlorocarbene attack at position 7 rather than at the unsubstituted position 9 is shown to be due to steric encumbrance at the latter site.

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