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293768

Sigma-Aldrich

1-Methyluracil

99%

Synonyme(s) :

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

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About This Item

Formule empirique (notation de Hill):
C5H6N2O2
Numéro CAS:
Poids moléculaire :
126.11
Numéro MDL:
Code UNSPSC :
12352100
ID de substance PubChem :
Nomenclature NACRES :
NA.22

Pureté

99%

Pf

236-238 °C (lit.)

Solubilité

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

Chaîne SMILES 

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)

Clé InChI

XBCXJKGHPABGSD-UHFFFAOYSA-N

Description générale

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.

Pictogrammes

Health hazard

Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Carc. 2

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves


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Consulter la Bibliothèque de documents

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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