Arthothelin
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| Category | Others |
| Catalog number | BBF-05048 |
| CAS | 20716-96-5 |
| Molecular Weight | 361.56 |
| Molecular Formula | C14H7Cl3O5 |
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Description
Arthothelin is a xanthene compound.
Specification
| Synonyms | Xanthen-9-one, 2,4,5-trichloro-1,3,6-trihydroxy-8-methyl- (8CI); 2,4,5-Trichloro-1,3,6-trihydroxy-8-methyl-9H-xanthen-9-one |
| IUPAC Name | 2,4,5-trichloro-1,3,6-trihydroxy-8-methylxanthen-9-one |
| Canonical SMILES | CC1=CC(=C(C2=C1C(=O)C3=C(C(=C(C(=C3O2)Cl)O)Cl)O)Cl)O |
| InChI | InChI=1S/C14H7Cl3O5/c1-3-2-4(18)7(15)13-5(3)10(19)6-11(20)8(16)12(21)9(17)14(6)22-13/h2,18,20-21H,1H3 |
| InChI Key | NTAXLEHKEDVPRK-UHFFFAOYSA-N |
Properties
| Boiling Point | 569.5±50.0°C (Predicted) |
| Melting Point | 270-272°C |
| Density | 1.798±0.06 g/cm3 (Predicted) |
Reference Reading
1. New additions to lichen mycota of the republic of Korea
Santosh Joshi, Sergey Y Kondratyuk, Florin Crişan, Udeni Jayalal, Soon-Ok Oh, Jae-Seoun Hur Mycobiology. 2013 Dec;41(4):177-82. doi: 10.5941/MYCO.2013.41.4.177. Epub 2013 Dec 19.
The current study describes seven species that are new to the lichen mycota of South Korea. A taxonomic description of Arthonia excipienda, A. radiata, Arthothelium ruanum, Enterographa leucolyta, Fissurina elaiocarpa, Rinodina oleae, and Thelotrema porinaceum was given and supported by distribution, ecology, and illustrations. Each species was compared with a species showing close resemblance.
2. Arthothelium punctatum (Arthoniaceae, Arthoniales), A New Lichen Species from South Korea
Jung Shin Park, Sook-Young Park, Chan-Ho Park, Seol-Hwa Jang, Jae-Seoun Hur Mycobiology. 2017 Dec;45(4):255-262. doi: 10.5941/MYCO.2017.45.4.255. Epub 2017 Dec 31.
A total of 121 species of lichens belonging to the genus Arthothelium have been described to date, most of which have been found in tropical regions. Here, we describe the discovery of a novel Arthothelium species for the first time in South Korea. Until now, Arthothelium ruanum was the only Arthothelium species reported in South Korea. Among the 113 specimens collected in this study, we identified A. ruanum and a putative new species, Arthothelium punctatum (J. S. Park & J.-S. Hur, sp. nov.). The diagnostic characters of A. punctatum are as follows: apothecia punctate, shortly elongate to branched, small, 0.1-0.2 mm wide, hypothecium hyaline to pale brown and obovate to broadly ellipsoid, muriform ascospores, 29.5-44.6 × 12.2-18.2 μm. The new species was found in Mt. Seokbyeong at an altitude of 790 m on smooth bark. Upon phylogenic analysis, the putative new species, A. punctatum, was separated from other Arthothelium species although the specimens analyzed were clustered with Arthoniaceae in phylogenetic trees based on both the mitochondrial small subunit (mtSSU) sequence and combined mtSSU and nuclear ribosomal large subunit sequences. Our data clearly indicate that this species is a new species belonging to the family Arthoniaceae. To elucidate the taxonomic characteristics of the new species, we provide morphological descriptions and a distribution map.
3. Arthonia ulleungdoensis, a New Lichenized Fungus from Ulleung Island, South Korea
Beeyoung Gun Lee, Jae-Seoun Hur Microorganisms. 2019 Jul 19;7(7):205. doi: 10.3390/microorganisms7070205.
Arthonia ulleungdoensis Lee & Hur is described as a new lichen species from South Korea. The new species is distinguishable from Arthonia ruana A. Massal. by its large, rounded and non-punctiform apothecia, taller apothecial section, asci with fewer spores, and larger and permanently colorless spores. Molecular analyses employing mitochondrial small subunit (mtSSU) and RNA polymerase subunit II (RPB2) sequences strongly support Arthonia ulleungdoensis as a distinct species in the genus Arthonia. Overall, 22 Arthonia species are currently recorded in South Korea. A surrogate key is provided to assist in the identification of all 10 taxa of Arthonia/Arthothelium with muriform spores in Northeast Asia.
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Bio Calculators
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
* Total Molecular Weight:
g/mol
Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
