1,2-Benzisoxazole

Sourcing & RFQ

Submit an RFQ to review pricing, availability, lead time, pack size, purity, COA, and supplier SDS for this catalog entry.

Available options

Available Options

Package: 1 g
Purity: 96%
Price: Request review
Availability: Shipping review required
Delivery: Shipping review required

Package: 25 g
Purity: 96%
Price: Request review
Availability: Shipping review required
Delivery: Shipping review required

Package: 5 g
Purity: 96%
Price: Request review
Availability: Shipping review required
Delivery: Shipping review required

Shipping review is required before pricing or stock can be confirmed publicly. Shipping, duties, and documentation fees are confirmed before order acceptance.

Loading RDKit molecule structure...

InChIKey: KTZQTRPPVKQPFO-UHFFFAOYSA-NC7H5NO | MW 119.12

Chemical Absolute Identifiers

CAS Number

271-95-4

PubChem CID

71073

Molecular Formula

C7H5NO

Molecular Weight

119.12 g/mol

Exact Mass

119.037114

InChIKey

KTZQTRPPVKQPFO-UHFFFAOYSA-N

IUPAC Name

1,2-benzoxazole

SMILES String

C1=CC=C2C(=C1)C=NO2

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

1,2-Benzisoxazole (CAS 271-95-4) is listed in the Advanced Chemicals portfolio, with molecular formula C7H5NO and molecular weight 119. 12 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Heterocyclic Building Blocks Synthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Handling & Storage

Keep container tightly closed and dry.
Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

Do not give anything to an unconscious person.
Rinse mouth with water.

Stability / Reactivity

Reactivity and reaction.

Disposal

Dispose of remaining and non-recyclable solutions to a licensed company.
Contact a professional institution with a waste disposal license to handle this substance.

Show additional safety reference fields

Fire Fighting

If necessary, wear a self-contained breathing apparatus for firefighting.

Accidental Release

Use personal protective equipment and emergency procedures.
Avoid dust generation.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

1,2-Benzisoxazole

Names & Synonyms

Benz(d)isoxazoleBenzo[d]isoxazoleIndoxazenebenzisoxazole4,5-Benzisoxazole

Show all synonyms

1-Oxa-2-aza-1H-indeneIsoindoxazine4,5-Benzisoazole1,2-benzoisoxazole1-Oxa-2-azaindene1,2-Benzisoxazole, >=95.0%B0969InChI=1/C7H5NO/c1-2-4-7-6(3-1)5-8-9-7/h1-50R1

External Identifiers

EC NUMBER: 205-983-1DSSTOX SUBSTANCE ID: DTXSID20181567CHEMBL ID: CHEMBL314871CHEBI ID: CHEBI:51554UNII: D879RKM5NQHMDB ID: HMDB0244058METABOLOMICS WORKBENCH ID: 57784WIKIDATA ID: Q791818

Experimental Spectrum References

13C NMR Spectra 15N NMR Spectra 1D NMR Spectra 1H NMR Spectra — Sigma-Aldrich Co. LLC.ATR-IR Spectra — Bio-Rad Laboratories, Inc.FTIR Spectra — Bio-Rad Laboratories, Inc.Raman Spectra — Bio-Rad Laboratories, Inc.Vapor Phase IR Spectra — Sigma-Aldrich Co. LLC.

Literature & Patent References

DOI 10.1021/jm301823gThe impact of introducing a histidine into an apolar cavity site on docking and ligand recognition.PMID 23473072The impact of introducing a histidine into an apolar cavity site on docking and ligand recognition.DOI 10.1016/S0960-894X(97)10003-8Catalysis of the Kemp elimination by antibodies elicited against a cationic hapten

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

1We review the CAS identity, quantity, and documentation request.
2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
3We review destination and shipment documentation needs when applicable.
4We follow up with a quotation or clarification request.

Text Reference Cues

Show non-linked catalog cues

Non-public related references

6-Bromo-1,2-benzoxazoleCAS 1060802-88-1

5-Bromo-1,2-benzoxazoleCAS 837392-65-1

1,2-Benzisoxazol-6-olCAS 65685-55-4

1,2-Benzoxazol-5-amineCAS 239097-74-6

5-Iodobenzo[d]isoxazoleCAS 954371-46-1

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1060802-88-16-Bromo-1,2-benzoxazole CAS 837392-65-15-Bromo-1,2-benzoxazole CAS 65685-55-41,2-Benzisoxazol-6-ol CAS 239097-74-61,2-Benzoxazol-5-amine CAS 954371-46-15-Iodobenzo[d]isoxazole CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamate CAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acid CAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid CAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylate CAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

RFQ questions for CAS 271-95-4

What are the key identifiers for 1,2-Benzisoxazole (CAS 271-95-4)?

1,2-Benzisoxazole is identified by CAS 271-95-4, with molecular formula C7H5NO, molecular weight 119.12, InChIKey KTZQTRPPVKQPFO-UHFFFAOYSA-N.

Can I request a COA for CAS 271-95-4?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for 1,2-Benzisoxazole?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 271-95-4 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.

Catalog Facts

Structural features

1,2-Benzisoxazole (CAS 271-95-4) is listed in the Advanced Chemicals portfolio, with molecular formula C7H5NO and molecular weight 119. 12 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Safety & Handling

Handling & Storage

Keep container tightly closed and dry.
Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

Do not give anything to an unconscious person.
Rinse mouth with water.

Stability / Reactivity

Reactivity and reaction.

Disposal

Dispose of remaining and non-recyclable solutions to a licensed company.
Contact a professional institution with a waste disposal license to handle this substance.

Show additional safety reference fields

Fire Fighting

If necessary, wear a self-contained breathing apparatus for firefighting.

Accidental Release

Use personal protective equipment and emergency procedures.
Avoid dust generation.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

1,2-Benzisoxazole

Names & Synonyms

Benz(d)isoxazoleBenzo[d]isoxazoleIndoxazenebenzisoxazole4,5-Benzisoxazole

Show all synonyms

1-Oxa-2-aza-1H-indeneIsoindoxazine4,5-Benzisoazole1,2-benzoisoxazole1-Oxa-2-azaindene1,2-Benzisoxazole, >=95.0%B0969InChI=1/C7H5NO/c1-2-4-7-6(3-1)5-8-9-7/h1-50R1

External Identifiers

EC NUMBER: 205-983-1DSSTOX SUBSTANCE ID: DTXSID20181567CHEMBL ID: CHEMBL314871CHEBI ID: CHEBI:51554UNII: D879RKM5NQHMDB ID: HMDB0244058METABOLOMICS WORKBENCH ID: 57784WIKIDATA ID: Q791818

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

Text Reference Cues

Show non-linked catalog cues

Non-public related references

6-Bromo-1,2-benzoxazoleCAS 1060802-88-1

5-Bromo-1,2-benzoxazoleCAS 837392-65-1

1,2-Benzisoxazol-6-olCAS 65685-55-4

1,2-Benzoxazol-5-amineCAS 239097-74-6

5-Iodobenzo[d]isoxazoleCAS 954371-46-1

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

RFQ questions for CAS 271-95-4

What are the key identifiers for 1,2-Benzisoxazole (CAS 271-95-4)?

1,2-Benzisoxazole is identified by CAS 271-95-4, with molecular formula C7H5NO, molecular weight 119.12, InChIKey KTZQTRPPVKQPFO-UHFFFAOYSA-N.

Can I request a COA for CAS 271-95-4?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for 1,2-Benzisoxazole?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 271-95-4 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.

Sourcing & RFQ

Available Options

Chemical Absolute Identifiers

Physical Properties

Catalog Facts

Applications & Classification

Safety & Handling

Handling & Storage

PPE

First Aid

Stability / Reactivity

Disposal

Fire Fighting

Accidental Release

Related Catalog Entries

RFQ questions for CAS 271-95-4

1,2-Benzisoxazole

Sourcing & RFQ

Available Options

Chemical Absolute Identifiers

Physical Properties

Catalog Facts

Applications & Classification

Safety & Handling

Handling & Storage

PPE

First Aid

Stability / Reactivity

Disposal

Fire Fighting

Accidental Release

Related Catalog Entries

RFQ questions for CAS 271-95-4