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26791-73-1 Usage

Purification Methods

Crystallise xanthatin from MeOH, aqueous MeOH, EtOH or aqueous EtOH. UV: 213 and 275nm (max 7300). The 2,4-dinitrophenylhydrazone has m 240o(dec) (twice recrystallised from CHCl3/MeOH). [Geissman et al. J Am Chem Soc 76 685 1954, Deuel & Geissman J Am Chem Soc 79 3778 1957, Beilstein 17 III/IV 6221, 17/1 V 305.]

Check Digit Verification of cas no

The CAS Registry Mumber 26791-73-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,7,9 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 26791-73:
141 % 10 = 1
So 26791-73-1 is a valid CAS Registry Number.



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


1.1 GHS Product identifier

Product name (3aR,7S,8aS)-7-methyl-3-methylidene-6-[(E)-3-oxobut-1-enyl]-4,7,8,8a-tetrahydro-3aH-cyclohepta[b]furan-2-one

1.2 Other means of identification

Product number -
Other names Xanthatin

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:26791-73-1 SDS

26791-73-1Downstream Products

26791-73-1Relevant articles and documents

Biomimetic synthesis: Discovery of xanthanolide dimers

Shang, Hai,Liu, Junhua,Bao, Ruiyang,Cao, Yu,Zhao, Kun,Xiao, Chengqian,Zhou, Bing,Hu, Lihong,Tang, Yefeng

, p. 14494 - 14498 (2015/02/19)

Starting from xanthatin, the biomimetic synthesis of 4b,5b-epoxyxanthatin-1a,4a-endoperoxide, a novel monomeric xanthanolide, has been achieved. Moreover, four unprecedented xanthanolide dimers were synthesized by three different dimerizations of xanthatin, either in a head-tohead or head-to-tail fashion. Notably, these dimeric compounds were firstly identified as artifacts in the laboratory, and two of them, mogolides A and B, proved to be natural products present in the Xanthium mogolium Kitag plant.

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