59945
Isoxanthopterin
≥97.5% (HPLC)
Synonym(s):
2-Amino-4,7-dihydroxy-1,3,5,8-tetraazanaphthalene, 2-Amino-4,7-dihydroxypteridine, 2-Amino-4,7-pteridinediol
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About This Item
Empirical Formula (Hill Notation):
C6H5N5O2
CAS Number:
Molecular Weight:
179.14
EC Number:
208-469-5
UNSPSC Code:
41106305
PubChem Substance ID:
Beilstein/REAXYS Number:
181594
MDL number:
InChI key
GLKCOBIIZKYKFN-UHFFFAOYSA-N
InChI
1S/C6H5N5O2/c7-6-10-4-3(5(13)11-6)8-1-2(12)9-4/h1H,(H4,7,9,10,11,12,13)
SMILES string
NC1=NC2=C(N=CC(=O)N2)C(=O)N1
assay
≥97.5% (HPLC)
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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S Abadeh et al.
Biochimica et biophysica acta, 1117(1), 25-32 (1992-07-21)
Xanthine oxidase was purified from human milk in yields comparable with those obtained from bovine milk. The freshly purified enzyme appeared homogeneous in gel permeation FPLC and SDS-PAGE, consistent with its being a homodimer with total M(r) 290,000 +/- 6000.
Burki Rajendar et al.
Bioorganic & medicinal chemistry, 17(1), 351-359 (2008-11-18)
Isoxanthopterin (IX) has two edges with hydrogen bond-forming sites suitable for binding to thymine (T) and cytosine (C). The binding affinity of IX for T or C is stronger than for adenine (A) and guanine (G), whereas the base selectivity
Yuichi Komaki et al.
Pulmonary pharmacology & therapeutics, 18(4), 297-302 (2005-03-22)
Reactive oxygen species have been reported to be involved in the airway inflammatory process of chronic obstructive pulmonary disease (COPD). The aim of this study was to quantify the activity of xanthine oxidase (XO), which generates a potent radical superoxide
R Walter et al.
American journal of respiratory and critical care medicine, 156(6), 2006-2010 (1997-12-31)
Pulmonary endothelial dysfunction is the hallmark of acute lung injury. Impaired pulmonary endothelial nitric oxide (NO) production in this event has been described. Tetrahydrobiopterin (BH4) is an essential cofactor for NO synthase and modulator of its activity. At high local
Burki Rajendar et al.
Bioorganic & medicinal chemistry letters, 17(13), 3682-3685 (2007-05-02)
At an abasic site in an oligo-DNA duplex, isoxanthopterin (IX)(dagger) can bind to thymine (T) and cytosine (C) with strong affinity compared to adenine and guanine, but the base selectivity for T against C is moderate. In order to improve
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