ChemicalBook--->CAS DataBase List--->166524-64-7

166524-64-7

166524-64-7 Structure

166524-64-7 Structure
IdentificationBack Directory
[Name]

4(1H)-Pyrimidinone,5-fluoro-2-methoxy-,hydrazone(9CI)
[CAS]

166524-64-7
[Synonyms]

Florasulam intermediate
2-methoxy-4-indolyl-5-fluoropyrimidine
5-Fluoro-4-hydrazino-2-methoxypyrimidine
5-Fluoro-4-hydrazinyl-2-MethoxypyriMidine
2-Methoxy-4-hydrazinyl-5-fluoropyriMidine)
(5-fluoro-2-methoxy-4-pyrimidinyl)hydrazine
(5-fluoro-2-methoxypyrimidin-4-yl)hydrazine
(5-fluoro-2-methoxy-pyrimidin-4-yl)hydrazine
Pyrimidine, 5-fluoro-4-hydrazinyl-2-methoxy-
4(1H)-PyriMidinone,5-fluoro-2-Methoxy-,hydrazone
4(1H)-Pyrimidinone,5-fluoro-2-methoxy-,hydrazone(9CI)
(E)-5-fluoro-4-hydrazono-2-Methoxy-1,4-dihydropyriMidine
4(1H)-Pyrimidinone,5-fluoro-2-methoxy-,hydrazone(9CI) ISO 9001:2015 REACH
[EINECS(EC#)]

605-444-4
[Molecular Formula]

C5H7FN4O
[MDL Number]

MFCD09955584
[MOL File]

166524-64-7.mol
[Molecular Weight]

158.13
Chemical PropertiesBack Directory
[Melting point ]

>155°C (dec.)
[Boiling point ]

217.0±50.0 °C(Predicted)
[density ]

1.52±0.1 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
[solubility ]

DMSO (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

4.23±0.70(Predicted)
[color ]

Pale Beige to Pale Brown
[InChI]

InChI=1S/C5H7FN4O/c1-11-5-8-2-3(6)4(9-5)10-7/h2H,7H2,1H3,(H,8,9,10)
[InChIKey]

CWCLTMYHVXUXDW-UHFFFAOYSA-N
[SMILES]

C1(OC)=NC=C(F)C(NN)=N1
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H332-H335
[Precautionary statements ]

P280-P305+P351+P338-P310
[REACH Registrations]

Inactive
[HazardClass ]

IRRITANT
Hazard InformationBack Directory
[Synthesis]

the preparation method of 5-Fluoro-4-hydrazinyl-2-methoxypyrimidine, it is for starting raw material with 2-methoxyl group-5 FU 5 fluorouracil, first under the existence of organic solvent and acid binding agent, carry out chlorination reaction with phosphorus oxychloride and obtain the chloro-5-FU of 2-methoxyl group-4-, then carry out hydrazinolysis with hydrazine hydrate and be obtained by reacting 2-methoxyl group-4-diazanyl-5-FU.
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