2(3H)-Benzoxazolone,5-fluoro-

Modify Date: 2025-08-26 09:20:26

2(3H)-Benzoxazolone,5-fluoro- Structure
2(3H)-Benzoxazolone,5-fluoro- structure
Common Name 2(3H)-Benzoxazolone,5-fluoro-
CAS Number 13451-79-1 Molecular Weight 153.11100
Density 1.44g/cm3 Boiling Point N/A
Molecular Formula C7H4FNO2 Melting Point 173-177ºC
MSDS Chinese USA Flash Point N/A
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 5-fluoro-3H-1,3-benzoxazol-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.44g/cm3
Melting Point 173-177ºC
Molecular Formula C7H4FNO2
Molecular Weight 153.11100
Exact Mass 153.02300
PSA 46.00000
LogP 1.26020
Index of Refraction 1.558
InChIKey KXMRAGBOYTUYGL-UHFFFAOYSA-N
SMILES O=c1[nH]c2cc(F)ccc2o1

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36
Safety Phrases 26
RIDADR NONH for all modes of transport
HS Code 2934999090

 Synthetic Route

~%

2(3H)-Benzoxazolone,5-fluoro- Structure

2(3H)-Benzoxazo...

CAS#:13451-79-1

Literature: WO2005/18529 A2, ; Page/Page column 62 ; WO 2005/018529 A2

~63%

2(3H)-Benzoxazolone,5-fluoro- Structure

2(3H)-Benzoxazo...

CAS#:13451-79-1

Literature: Advanced Synthesis and Catalysis, , vol. 355, # 18 p. 3591 - 3596

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2(3H)-Benzoxazolone,5-fluoro- Structure

2(3H)-Benzoxazo...

CAS#:13451-79-1

Literature: US5086062 A1, ; US 5086062 A

~%

2(3H)-Benzoxazolone,5-fluoro- Structure

2(3H)-Benzoxazo...

CAS#:13451-79-1

Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 20, # 19 p. 5811 - 5814

~%

2(3H)-Benzoxazolone,5-fluoro- Structure

2(3H)-Benzoxazo...

CAS#:13451-79-1

Literature: Journal of Medicinal Chemistry, , vol. 10, p. 408 - 410

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-Fluoro-3H-benzooxazol-2-one
5-Fluoro-2(3H)-benzoxazolone
2-benzoxazolol,5-fluoro
5-fluoro-benzoxazol-2-one
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