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Substance Name: 6-Methyluracil
RN: 626-48-2
UNII: 5O052W0G6I
InChIKey: SHVCSCWHWMSGTE-UHFFFAOYSA-N

Classification Codes

  • Adjuvants, Immunologic
  • Anti-Ulcer Agents
  • Gastrointestinal Agents
  • Immunologic Factors
  • Protective Agents
  • Radiation-Protective Agents
  • Reproductive Effect
  • Tumor Data

Molecular Formula

  • C5-H6-N2-O2

Molecular Weight

  • 126.1144
 
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Names and Synonyms

Name of Substance

  • 6-Methyluracil

Synonyms

  • 2,4(1H,3H)-Pyrimidinedione, 6-methyl-
  • 2,4-Dihydroxy-6-methylpyrimidine
  • 2,4-Pyrimidinediol, 6-methyl-
  • 4-Methyluracil
  • 6-Methyl-2,4(1H,3H)-pyrimidinedione
  • 6-Methyluracil
  • AI3-25472
  • AWD 23-15
  • EINECS 210-949-4
  • HSDB 5508
  • NSC 9456
  • Pseudothymine
  • Pseudothymine (VAN)
  • UNII-5O052W0G6I

Systematic Names

  • 2(1H)-Pyrimidinone, 4-hydroxy-6-methyl- (8CI)
  • 2,4(1H,3H)-Pyrimidinedione, 6-methyl-
  • 6-Methyluracil
  • Uracil, 6-methyl-

Registry Numbers

CAS Registry Number

  • 626-48-2

FDA UNII

  • 5O052W0G6I

Other Registry Numbers

  • 15985-99-6
  • 78334-35-7

System Generated Number

  • 0000626482

Structure Descriptors

InChI

1S/C5H6N2O2/c1-3-2-4(8)7-5(9)6-3/h2H,1H3,(H2,6,7,8,9)

InChIKey

SHVCSCWHWMSGTE-UHFFFAOYSA-N

Smiles

c1(cc(=O)[nH]c(=O)[nH]1)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mammal (species unspecified) LD50 oral 2gm/kg (2000mg/kg)   Russian Pharmacology and Toxicology Vol. 48, Pg. 186, 1985.
mouse LD50 intraperitoneal 2700mg/kg (2700mg/kg)   Pharmaceutical Chemistry Journal Vol. 27, Pg. 112, 1993.
mouse LD50 oral > 7500mg/kg (7500mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 44, Pg. 56, 1955.
rat LD50 oral 64500mg/kg (64500mg/kg)   Personal Communication from LONZA Ltd., CH-4002, Basel, SwitzerlandVol. 03FEB1981,

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 275 dec deg C   EXP
log P (octanol-water) -0.77 (none)   EXP
Water Solubility 7000 mg/L 22 EXP
Vapor Pressure 5.89E-04 mm Hg 25 EST
Henry's Law Constant 3.49E-14 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.04E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.