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Sigma-Aldrich

1-Methyluracil

99%

Synonym(e):

1-Methyl-2,4(1H,3H)-pyrimidindion

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About This Item

Empirische Formel (Hill-System):
C5H6N2O2
CAS-Nummer:
615-77-0
Molekulargewicht:
126.11
MDL-Nummer:
MFCD00038666
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24857675
NACRES:
NA.22

Assay

99%

mp (Schmelzpunkt)

236-238 °C (lit.)

Löslichkeit

1 M NaOH: soluble 50 mg/mL, clear, colorless

SMILES String

CN1C=CC(=O)NC1=O

InChI

1S/C5H6N2O2/c1-7-3-2-4(8)6-5(7)9/h2-3H,1H3,(H,6,8,9)

InChIKey

XBCXJKGHPABGSD-UHFFFAOYSA-N

Allgemeine Beschreibung

1-Methyluracil is of special importance in biochemistry, since uracil attaches ribose in ribonucleic acid (RNA) just precisely at the N1 atom. H-bond complex formation between 1-methyluracil and glycine has been investigated by theoretical calculations and FT-IR spectroscopy in Ar matrices. It forms 1:1 complexes with 9-ethyl-8-bromo-2,6-diaminopurine and the complex structure has been determined by three-dimensional X-ray diffraction methods.

Piktogramme

Health hazard
GHS08

Signalwort

Warning

H-Sätze

H351

Gefahreneinstufungen

Carc. 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

Analysenzertifikate (COA)

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E Sagstuen et al.
Radiation research, 149(2), 120-127 (1998-02-11)
Single crystals of the co-crystalline complex of 1-methyluracil and 9-ethyladenine were X-irradiated and studied using EPR, ENDOR and FSE spectroscopic techniques at 10 K. All together seven radicals were identified, and experimental evidence for at least one more species, as
R K McMullan et al.
Acta crystallographica. Section B, Structural science, 45 ( Pt 3), 270-276 (1989-06-01)
The crystal structure of 1-methylpyrimidine-2,4-dione (1-methyluracil, C5H6N2O2) has been determined at 15, 60 and 123 K from neutron diffraction data. Molecules lie in the eightfold special positions (symmetry m) of space group Ibam, with a = 13.213 (2), b =
Base-pairing configurations between purines and pyrimidines in the solid state. V. Crystal and molecular structure of two 1:1 hydrogen-bonded complexes, 1-methyluracil: 9-ethyl-8-bromo-2,6-diaminopurine and 1-ethylthymine: 9-ethyl-8-bromo-2,6--diaminopurine.
G Simundza et al.
Journal of molecular biology, 48(2), 263-278 (1970-03-14)
Assessment of hepatic tissue blood flow with 133Xe clearance technique.
N N Malinovsky et al.
International journal of nuclear medicine and biology, 8(1), 77-84 (1981-01-01)
G L Bilich et al.
Haematologia, 15(1), 71-81 (1982-01-01)
Enzyme activities in the circulating lymphocytes permit to judge the character of the regenerative process in the lung, and the severity of the patient's condition; it helps in estimating the prognosis and in evaluating the efficacy of the applied therapy.
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