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3,10-Dihydro-3,3-dimethyl-10-(2-methyl-1-propenyl)naphtho[2,3-d]pyrano[3',2':3,4]naphtho[1,2-b]pyran-11,16-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89355-02-2

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89355-02-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89355-02-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,5 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89355-02:
(7*8)+(6*9)+(5*3)+(4*5)+(3*5)+(2*0)+(1*2)=162
162 % 10 = 2
So 89355-02-2 is a valid CAS Registry Number.

89355-02-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,10-dihydro-3,3-dimethyl-10-(2-methylprop-1-enyl)naphtho<2,3-d>pyrano<3',2':3,4>naphthol<1,2-b>pyran-11,16-quinone

1.2 Other means of identification

Product number -
Other names tecomaquinone I

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:89355-02-2 SDS

89355-02-2Downstream Products

89355-02-2Relevant academic research and scientific papers

Synthesis of hemitectol, tectol, and tecomaquinone i

Cadelis, Melissa M.,Barker, David,Copp, Brent R.

, p. 2939 - 2942 (2013/03/13)

The first total syntheses of Tectona grandis (teak) natural products hemitectol and tectol are described. The observation of spontaneous dimerisation of hemitectol to tectol suggests the monomer is the true natural product and that the dimer is an artifact of isolation. Georg Thieme Verlag KG · Stuttgart · New York.

A Revised Structure for Dehydrotectol and Tecomaquinone I

Khanna, Rajinda N.,Sharma, Pavan K.,Thomson, Ronald H.

, p. 1821 - 1824 (2007/10/02)

Tecomaquinone I and dehydrotectol are identical but the published structures are wrong.The revised structure is 3,10-dihydro-3,3-dimethyl-10-(2-methylprop-1-enyl)naphthopyrano-naphtholpyran-11,16-quinone (5).Previous work is reinterpreted on this basis.

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