Product Name

  • Name

    2-Methoxy-5-fluorouracil

  • EINECS 473-810-9
  • CAS No. 1480-96-2
  • Article Data5
  • CAS DataBase
  • Density 1.44 g/cm3
  • Solubility 5.49g/L at 20℃
  • Melting Point 204-208 °C(lit.)
  • Formula C5H5FN2O2
  • Boiling Point 225.1℃[at 101 325 Pa]
  • Molecular Weight 144.105
  • Flash Point
  • Transport Information
  • Appearance
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 1480-96-2 (2-Methoxy-5-fluorouracil)
  • Hazard Symbols IrritantXi
  • Synonyms 4(1H)-Pyrimidinone,5-fluoro-2-methoxy- (9CI);4(3H)-Pyrimidinone, 5-fluoro-2-methoxy- (6CI,8CI);NSC 527067;
  • PSA 55.24000
  • LogP 0.32990

Synthetic route

potassium-compound of 2-fluoro-3-oxo-propionic acid ethyl ester

potassium-compound of 2-fluoro-3-oxo-propionic acid ethyl ester

O-methyl-uronium chloride

O-methyl-uronium chloride

2-methoxy-5-fluorouracil
1480-96-2

2-methoxy-5-fluorouracil

ethanol
64-17-5

ethanol

sodium methylate
124-41-4

sodium methylate

o-methylisourea hydrochloride
5329-33-9

o-methylisourea hydrochloride

potassium-compound of 2-fluoro-3-hydroxy-acrylic acid ethyl ester

potassium-compound of 2-fluoro-3-hydroxy-acrylic acid ethyl ester

2-methoxy-5-fluorouracil
1480-96-2

2-methoxy-5-fluorouracil

O-methylisourea hemisulphate

O-methylisourea hemisulphate

methyl fluoroacetate
453-18-9

methyl fluoroacetate

formic acid ethyl ester
109-94-4

formic acid ethyl ester

2-methoxy-5-fluorouracil
1480-96-2

2-methoxy-5-fluorouracil

Conditions
ConditionsYield
Stage #1: formic acid ethyl ester With sodium methylate In toluene at 10 - 20℃; Large scale;
Stage #2: methyl fluoroacetate In toluene at 8 - 40℃; for 20h; Large scale;
Stage #3: O-methylisourea hydrosulfate With sodium methylate In methanol at 40℃; for 6h; Large scale;
2-methoxy-5-fluorouracil
1480-96-2

2-methoxy-5-fluorouracil

2-methoxy-4-chloro-5-fluoropyrimidine
1801-06-5

2-methoxy-4-chloro-5-fluoropyrimidine

Conditions
ConditionsYield
With triethylamine; trichlorophosphate In toluene at 50 - 80℃;95%
With N,N-dimethyl-aniline; trichlorophosphate at 110℃; for 1.5h;34%
2-methoxy-5-fluorouracil
1480-96-2

2-methoxy-5-fluorouracil

5-fluorouracil
51-21-8

5-fluorouracil

Conditions
ConditionsYield
With hydrogenchloride In methanol at 28℃; for 5h; Temperature;78.3%
With hydrogenchloride In water at 55℃; for 3h; Large scale;65.24 kg

2-Methoxy-5-fluorouracil Chemical Properties

Molecular structure of 2-Methoxy-5-fluorouracil (CAS NO.1480-96-2) is:

Product Name: 2-Methoxy-5-fluorouracil
CAS Registry Number: 1480-96-2
IUPAC Name: 5-fluoro-2-methoxy-1H-pyrimidin-6-one
Molecular Weight: 144.103803 [g/mol]
Molecular Formula: C5H5FN2O2
XLogP3-AA: 0
H-Bond Donor: 1
H-Bond Acceptor: 4
Melting Point: 204-208 °C(lit.)
Index of Refraction: 1.536
Molar Refractivity: 31.06 cm3
Molar Volume: 99.5 cm3
Surface Tension: 39.4 dyne/cm
Density: 1.44 g/cm3
Product Categories: PYRIMIDINE;Pyridines, Pyrimidines, Purines and Pteredines;INTERMEDIATESOFFINASTERIDE;Heterocyclic Compounds;Bases & Related Reagents;Heterocycles;Nucleotides;Building Blocks;Heterocyclic Building Blocks;Pyrimidines

2-Methoxy-5-fluorouracil Safety Profile

Safty information about 2-Methoxy-5-fluorouracil (CAS NO.1480-96-2) is:
Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3

2-Methoxy-5-fluorouracil Specification

 2-Methoxy-5-fluorouracil , its cas register number is 1480-96-2. It also can be called 4(3H)-Pyrimidinone,5-fluoro-2-methoxy- ; 5-Fluoro-2-methoxy-4(1H)pyrimidinone .

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