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1,4,6,9-Tetramethyl-3,8-dihydroxy-11-oxo-11H-dibenzo[b,e][1,4]dioxepin-7-carboxylic acid is a complex organic compound with the molecular formula C18H16O7. It is a derivative of dibenzo[b,e][1,4]dioxepin, a type of heterocyclic compound consisting of two benzene rings fused to a dioxepin ring. The compound features four methyl groups (-CH3) at the 1, 4, 6, and 9 positions, two hydroxyl groups (-OH) at the 3 and 8 positions, and a carboxylic acid group (-COOH) at the 7 position. The 11-oxo group indicates the presence of a carbonyl group at the 11 position, which contributes to the compound's reactivity and properties. This chemical is primarily of interest in the field of organic chemistry and may have potential applications in the synthesis of pharmaceuticals or other specialty chemicals.

4665-02-5

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4665-02-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4665-02-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,6 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4665-02:
(6*4)+(5*6)+(4*6)+(3*5)+(2*0)+(1*2)=95
95 % 10 = 5
So 4665-02-5 is a valid CAS Registry Number.

4665-02-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name hypoprotocetraric acid

1.2 Other means of identification

Product number -
Other names 3,8-dihydroxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzo[b,e][1,4]dioxepine-7-carboxylic acid

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:4665-02-5 SDS

4665-02-5Relevant academic research and scientific papers

Depsidone Synthesis. Part 19. Some β-Orcinol Depsidones

Sala, Tony,Sargent, Melvyn V.

, p. 877 - 882 (2007/10/02)

The synthesis of the lichen depsidones 3,8-dihydroxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzo-dioxepin-7-carboxylic acid (hypoprotocetraric acid) (4), 8-hydroxy-3-methoxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzodioxepin-7-carboxylic acid (

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