1,2-Benzisoxazole - ≥96%(GC) , CAS No.271-95-4

CAS: 271-95-4 Cat. No.: B151955 Molecular Weight: 119.12 Beilstein Registry Number: 2154 EC Number: 205-983-1
AVAILABLE TO ORDER
GRADE & PURITY ≥96%(GC)
Synonyms
J-016689 | Q791818 | Z220335556 | DTXSID20181567 | EN300-25961 | G9L6B3W684 | 1,2-benzoisoxazole | CHEBI:51554 | Benzo[d]isoxazole | A818951 | benzisoxazole | SCHEMBL2213595 | THUJAPLICIN, BETA | Indoxazene | FT-0627231 | 1,2-benzoxazole | 1,2-Benzisoxazo
Storage
Store at 2-8°C,Protected from light,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
200mg
B151955-200mg
3

$9.90

$14.90
Save $5.00 (33.56%)
1g
B151955-1g
2

$31.90

$47.90
Save $16.00 (33.40%)
5g
B151955-5g
2

$107.90

$161.90
Save $54.00 (33.35%)
25g
B151955-25g
3

$368.90

$553.90
Save $185.00 (33.40%)
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Why this grade

≥96%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Protected from light,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

1,2-Benzisoxazole derivative zonisamide is a novel antiepileptic drug and is effective for the treatment of partial seizures. 1,2-Benzisoxazole is a potential substrates of rabbit liver aldehyde oxidase.

Specifications

Synonyms
J-016689 | Q791818 | Z220335556 | DTXSID20181567 | EN300-25961 | G9L6B3W684 | 1, 2-benzoisoxazole | CHEBI:51554 | Benzo[d]isoxazole | A818951 | benzisoxazole | SCHEMBL2213595 | THUJAPLICIN, BETA | Indoxazene | FT-0627231 | 1, 2-benzoxazole | 1, 2-Benzisoxazo
Specifications & Purity
≥96%(GC)
Storage
Store at 2-8°C, Protected from light, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥96%(GC)
Names and Identifiers
Pubchem Sid504754605
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504754605
Canonical SmilesC1=CC=C2C(=C1)C=NO2
IUPAC Name1,2-benzoxazole
InChIKeyKTZQTRPPVKQPFO-UHFFFAOYSA-N
INCHI1S/C7H5NO/c1-2-4-7-6(3-1)5-8-9-7/h1-5H
Isomeric SMILES C1=CC=C2C(=C1)C=NO2
WGK Germany 3
Molecular Weight 119.12
Beilstein 2154
Reaxy-Rn 2154
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2154&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzisoxazoles
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzisoxazoles
Alternative Parents Benzenoids  Isoxazoles  Heteroaromatic compounds  Oxacyclic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzisoxazole - Benzenoid - Heteroaromatic compound - Isoxazole - Azole - Oxacycle - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzisoxazoles. These are aromatic compounds containing a benzene ring fused to an isoxazole ring. Isoxazole is five-membered ring with three carbon atoms, and an oxygen atom next to a nitrogen atom.
External Descriptors mancude organic heterobicyclic parent - 1,2-benzoxazoles
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate TypeDateItem
I2207327Certificate of AnalysisJun 11, 2026 B151955
I2207328Certificate of AnalysisJun 11, 2026 B151955
I2207329Certificate of AnalysisJun 11, 2026 B151955
I2207331Certificate of AnalysisJun 11, 2026 B151955
E2611050Certificate of AnalysisJul 03, 2022 B151955
Chemical and Physical Properties
SolubilitySoluble in water. 4.1 mg/mL in water at 25°C
SensitivityLight & heat & air sensitive
Refractive Index1.562
Flash Point(°F)186.8 °F
Flash Point(°C)86°C
Boil Point(°C)90-92°C
Molecular Weight119.120 g/mol
XLogP31.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass119.037 Da
Monoisotopic Mass119.037 Da
Topological Polar Surface Area26.000 Ų
Heavy Atom Count9
Formal Charge0
Complexity105.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Solution Calculators
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