6-Ethyl-5-fluoropyrimidin-4(3H)-one

Modify Date: 2025-08-25 14:14:40

6-Ethyl-5-fluoropyrimidin-4(3H)-one Structure
6-Ethyl-5-fluoropyrimidin-4(3H)-one structure
Common Name 6-Ethyl-5-fluoropyrimidin-4(3H)-one
CAS Number 137234-87-8 Molecular Weight 142.131
Density 1.3±0.1 g/cm3 Boiling Point 180.724ºC at 760 mmHg
Molecular Formula C6H7FN2O Melting Point 120-126°C
MSDS N/A Flash Point 63.1ºC

 Names

Name 4-Ethyl-5-fluoro-6-hydroxypyrimidine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 180.724ºC at 760 mmHg
Melting Point 120-126°C
Molecular Formula C6H7FN2O
Molecular Weight 142.131
Flash Point 63.1ºC
Exact Mass 142.054245
PSA 46.01000
LogP -0.33
Vapour Pressure 0.883mmHg at 25°C
Index of Refraction 1.541
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi,N,Xn
Risk Phrases R22
Safety Phrases 60-61
HS Code 2933599090

 Synthetic Route

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6-Ethyl-5-fluoropyrimidin-4(3H)-one Structure

6-Ethyl-5-fluor...

CAS#:137234-87-8

Literature: US6586594 B1, ;

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6-Ethyl-5-fluoropyrimidin-4(3H)-one Structure

6-Ethyl-5-fluor...

CAS#:137234-87-8

Literature: US6586594 B1, ;

~%

6-Ethyl-5-fluoropyrimidin-4(3H)-one Structure

6-Ethyl-5-fluor...

CAS#:137234-87-8

Literature: Organic Process Research and Development, , vol. 5, # 1 p. 28 - 36

 Customs

HS Code 2933599090
Summary 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

4(3H)-Pyrimidinone, 6-ethyl-5-fluoro-
6-Ethyl-5-fluoro-4-pyrimidinol
6-Ethyl-5-fluoropyrimidin-4-ol
4-Pyrimidinol, 6-ethyl-5-fluoro-
MFCD08063343
T6VM DNJ E2 FF
4-Ethyl-5-fluoro-6-hydroxypyrimidine
6-Ethyl-5-fluoro-4(1H)-pyrimidinone
T6N CNJ DQ EF F2
6-ethyl-5-fluoro-1H-pyrimidin-4-one
EINECS 422-460-5
6-Ethyl-5-fluorpyrimidin-4(1H)-on
6-Ethyl-5-fluoropyrimidin-4(1H)-one
6-Ethyl-5-fluoropyrimidin-4(3H)-one
6-Ethyl-5-fluoro-pyrimidin-4-ol
Voriconazole Impurity 1
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