Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-BROMOBENZO[D]ISOXAZOL-3(2H)-ONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 5-Bromobenzo[d]isoxazol-3(2H)-one
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

65685-50-9

65685-50-9 structure

Name: 5-Bromobenzo[d]isoxazol-3(2H)-one
Chemical Name: 5-Bromobenzo[d]isoxazol-3(2H)-one
CAS Number: 65685-50-9
Molecular Formula: C₇H₄BrNO₂
Molecular Weight: 214.016
Create Date: 2018-11-26 20:44:12
Modify Date: 2025-08-25 11:32:28

Name	5-Bromobenzo[d]isoxazol-3(2H)-one
Synonyms	5-bromo-1,2-benzoxazol-3-one 1,2-Benzisoxazol-3(2H)-one, 5-bromo- 5-Bromo-1,2-benzoxazol-3(2H)-one

Density	1.9±0.1 g/cm3
Boiling Point	360.6±22.0 °C at 760 mmHg
Molecular Formula	C₇H₄BrNO₂
Molecular Weight	214.016
Flash Point	171.9±22.3 °C
Exact Mass	212.942535
PSA	46.26000
LogP	1.66
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.698
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DE4933600

CHEMICAL NAME :: 1,2-Benzisoxazol-3(2H)-one, 5-bromo-

CAS REGISTRY NUMBER :: 65685-50-9

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H4-Br-N-O2

MOLECULAR WEIGHT :: 214.03

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 450 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: APPHAX Acta Poloniae Pharmaceutica. For English translation, see APPFAR. (Ars Polona, POB 1001, 00-680 Warsaw 1, Poland) V.1- 1937- Volume(issue)/page/year: 36,241,1979

Hazard Codes	Xi
HS Code	2934999090

5798-94-7

~88%

65685-50-9

Literature: PHENEX PHARMACEUTICALS AG; KREMOSER, Claus; ABEL, Ulrich; STEENECK, Christoph; KINZEL, Olaf Patent: WO2011/20615 A1, 2011 ; Location in patent: Page/Page column 75; 76 ;

21725-69-9

~83%

65685-50-9

Literature: Wrubel, Juergen Zeitschrift fuer Chemie (Stuttgart, Germany), 1980 , vol. 20, # 1 p. 18

Precursor 2
5798-94-7 21725-69-9
DownStream 0

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

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