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I2127
Isocytosine
≥99%
Synonym(e):
2-Amino-4-hydroxypyrimidine, 2-Aminouracil
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About This Item
Empirische Formel (Hill-System):
C4H5N3O
CAS-Nummer:
Molekulargewicht:
111.10
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
41106305
PubChem Substanz-ID:
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Biologische Quelle
synthetic (organic)
Assay
≥99%
Form
powder
Löslichkeit
acetic acid: 50 mg/mL, clear, colorless
SMILES String
NC1=NC=CC(=O)N1
InChI
1S/C4H5N3O/c5-4-6-2-1-3(8)7-4/h1-2H,(H3,5,6,7,8)
InChIKey
XQCZBXHVTFVIFE-UHFFFAOYSA-N
Anwendung
Isocytosine (2-aminouracil) is an isomer of cytosine used in physical chemical studies involving metal complex binding, hydrogen-bonding, and tautomerism and proton transfer effects in nucleobases.
Signalwort
Warning
H-Sätze
Gefahreneinstufungen
Acute Tox. 4 Oral - Eye Irrit. 2
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
dust mask type N95 (US), Eyeshields, Gloves
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Vitaliy Feyer et al.
The journal of physical chemistry. A, 115(26), 7722-7733 (2011-05-20)
Core-level X-ray photoemission and near-edge X-ray absorption fine structure spectra of 5-methylcytosine, 5-fluorocytosine, and isocytosine are presented and discussed with the aid of high-level ab initio calculations. The effects of the methylation, halogenation, and isomerization on the relative stabilities of
Vassil B Delchev et al.
Journal of molecular modeling, 13(1), 19-28 (2006-05-20)
Eight H-bonded complexes between isocytosine (isoC) tautomeric forms and R/S-lactic acid (LA) have been studied at the B3LYP and HF levels of theory using 6-31+G(d) basis set. The energy barriers of the intermolecular proton transfers were also estimated as the
C Roberts et al.
Chemistry & biology, 4(12), 899-908 (1998-03-07)
iso-Guanine (iso-G) is the purine component of an isomeric Watson-Crick base pair that may have existed prebiotically. By comparing the abiotic molecular recognition properties of iso-G and its complement, iso-cytosine (iso-C), with those of genomic nucleotide bases, it may be
X L Yang et al.
Biophysical journal, 75(3), 1163-1171 (1998-09-03)
Isoguanine (2-hydroxyladenine) is a product of oxidative damage to DNA and has been shown to cause mutation. It is also a potent inducer of parallel-stranded DNA duplex structure. The structure of the parallel-stranded DNA duplex (PS-duplex) 5'-d(TiGiCAiCiGiGAiCT) + 5'-d(ACGTGCCTGA), containing
K J LaChance-Galang et al.
Inorganic chemistry, 40(3), 485-492 (2001-02-24)
Pentaammineruthenium moves on ambidentate nitrogen heterocycles by both rotation and linkage isomerization, which may affect the biological activity of potential ruthenium metallopharmaceuticals. The rapid rotation rates of [(NH3)5RuIII] coordinated to the exocyclic nitrogens of isocytosine (ICyt) and 6-methylisocytosine (6MeICyt) have
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