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Benzoxazole, 5-chloro-

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Name

Benzoxazole, 5-chloro-

EINECS N/A
CAS No. 17200-29-2 Density 1.377g/cm3
PSA 26.03000 LogP 2.48120
Solubility N/A Melting Point 42-46 °C
Formula C7H4ClNO Boiling Point 226.3 °C at 760 mmHg
Molecular Weight 153.568 Flash Point 90.7 °C
Transport Information N/A Appearance N/A
Safety 26 Risk Codes 22-36/37/38
Molecular Structure Molecular Structure of 17200-29-2 (5-CHLOROBENZOXAZOLE) Hazard Symbols HarmfulXn
Synonyms

5-Chlorobenzoxazole;NSC 24984;

Article Data 32

Benzoxazole, 5-chloro- Specification

The Benzoxazole, 5-chloro-, with CAS registry number 17200-29-2, belongs to the following product categories: (1)Oxazole & Isoxazole; (2)Building Blocks; (3)Halogenated Heterocycles; (4)Heterocyclic Building Blocks; (5)Oxazoles. It has the systematic name of 5-chloro-1,3-benzoxazole. This chemical is a kind of yellowish-orange crystalline chunks. Its classification code is Drug / Therapeutic Agent. And the chemical formula of this chemical is C7H4ClNO.

Physical properties of Benzoxazole, 5-chloro-: (1)ACD/LogP: 2.19; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.19; (4)ACD/LogD (pH 7.4): 2.19; (5)ACD/BCF (pH 5.5): 26.96; (6)ACD/BCF (pH 7.4): 26.96; (7)ACD/KOC (pH 5.5): 367.86; (8)ACD/KOC (pH 7.4): 367.86; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 26.03 Å2; (13)Index of Refraction: 1.624; (14)Molar Refractivity: 39.38 cm3; (15)Molar Volume: 111.5 cm3; (16)Polarizability: 15.61×10-24cm3; (17)Surface Tension: 49 dyne/cm; (18)Density: 1.377 g/cm3; (19)Flash Point: 90.7 °C; (20)Enthalpy of Vaporization: 44.4 kJ/mol; (21)Boiling Point: 226.3 °C at 760 mmHg; (22)Vapour Pressure: 0.124 mmHg at 25°C.

Preparation: this chemical can be prepared by 5-chloro-benzooxazol-2-ylamine. This reaction will need reagents NO, O2, tetrahydrofuran. The yield is about 45%.

When you are using this chemical, please be cautious about it as the following:
The Benzoxazole, 5-chloro- irritates to eyes, respiratory system and skin. And this chemical is harmful if swallowed. If contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: Clc1cc2ncoc2cc1
(2)InChI: InChI=1/C7H4ClNO/c8-5-1-2-7-6(3-5)9-4-10-7/h1-4H
(3)InChIKey: VWMQXAYLHOSRKA-UHFFFAOYAQ
(4)Std. InChI: InChI=1S/C7H4ClNO/c8-5-1-2-7-6(3-5)9-4-10-7/h1-4H
(5)Std. InChIKey: VWMQXAYLHOSRKA-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 530mg/kg (530mg/kg)   Medicinal Chemistry: A Series of Monographs. Vol. 4(1), Pg. 336, 1964.
mouse LD50 oral 1gm/kg (1000mg/kg)   Medicinal Chemistry: A Series of Monographs. Vol. 4(1), Pg. 336, 1964.
rat LD50 oral 650mg/kg (650mg/kg)   Medicinal Chemistry: A Series of Monographs. Vol. 4(1), Pg. 338, 1964.

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