1-Naphthol-4-sulfonic acid

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

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Available Options

Package: 1 g
Purity: 95%
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Loading RDKit molecule structure...

InChIKey: HGWQOFDAUWCQDA-UHFFFAOYSA-NC10H8O4S | MW 224.23

Chemical Absolute Identifiers

CAS Number

84-87-7

PubChem CID

6791

Molecular Formula

C10H8O4S

Molecular Weight

224.23 g/mol

Exact Mass

224.01433

InChIKey

HGWQOFDAUWCQDA-UHFFFAOYSA-N

IUPAC Name

4-hydroxynaphthalene-1-sulfonic acid

SMILES String

C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)O

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-Naphthol-4-sulfonic acid (CAS 84-87-7) is listed in the Materials Science portfolio, with molecular formula C10H8O4S and molecular weight 224. 23 g/mol.

Sourcing context

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

Research use context

Intended for materials chemistry research and formulation screening workflows.

Documentation needs

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

Applications & Classification

Dyes and Pigments Materials ScienceResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

PPE

Respiratory protection if needed

First Aid

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

Stability / Reactivity

and reactivity.

Disposal

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

Show additional safety reference fields

Accidental Release

Use personal protective equipment.
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-Naphthol-4-sulfonic acid

Names & Synonyms

4-Hydroxy-1-naphthalenesulfonic acid1-Naphthalenesulfonic acid, 4-hydroxy-Nevile and Winther's acid1,4-naphthol sulfonic acid1-hydroxy-4-naphthalenesulfonic acod

Show all synonyms

NW Acid1,4-Oxy AcidNeville-winther acid1-Naphthalenesulfonicacid, 4-hydroxy-1-Naphtho-4-sulfonic acid4-Hydroxynaphthalene-1-sulphonic acid1-Hydroxy-4-naphthalenesulfonic acidalpha-Naphthol-4-sulfonic acid1-Hydroxynaphthalene-4-sulfonic acidEC 201-568-44-hydroxynaphthalenesulfonic acid.alpha.-Naphthol-4-sulfonic acid4-Hydroxynaphthalene-1-sulfonicacid1-hydroxynaphthalene-4-sulphonic acid

External Identifiers

EC NUMBER: 201-568-4DSSTOX SUBSTANCE ID: DTXSID2058910CHEMBL ID: CHEMBL2312197UNII: 6W41U3C9YNWIKIDATA ID: Q27265617

Literature & Patent References

DOI 10.1016/j.ejmech.2021.113975Nitroxoline and its derivatives are potent inhibitors of metallo-β-lactamases.PMID 34865870Nitroxoline and its derivatives are potent inhibitors of metallo-β-lactamases.DOI 10.1021/jm301544xDevelopment of new cathepsin B inhibitors: combining bioisosteric replacements and structure-based design to explore the structure-activity relationships of nitroxoline derivatives.PMID 23252745Development of new cathepsin B inhibitors: combining bioisosteric replacements and structure-based design to explore the structure-activity relationships of nitroxoline derivatives.

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

1-Naphthalenesulfonic acid, 5-hydroxy-, sodium salt (1:?)CAS 5419-77-2

2-Amino-1,5-naphthalenedisulfonic acidCAS 117-62-4

4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acidCAS 130-23-4

4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acidCAS 119-40-4

7-Benzamido-4-hydroxynaphthalene-2-sulphonic acidCAS 132-87-6

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 5419-77-21-Naphthalenesulfonic acid, 5-hydroxy-, sodium salt (1:?)CAS 117-62-42-Amino-1,5-naphthalenedisulfonic acid CAS 130-23-44-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid 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 CAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 84-87-7

What are the key identifiers for 1-Naphthol-4-sulfonic acid (CAS 84-87-7)?

1-Naphthol-4-sulfonic acid is identified by CAS 84-87-7, with molecular formula C10H8O4S, molecular weight 224.23, InChIKey HGWQOFDAUWCQDA-UHFFFAOYSA-N.

Can I request a COA for CAS 84-87-7?

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

Can I request supplier SDS for 1-Naphthol-4-sulfonic acid?

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

Is CAS 84-87-7 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-Naphthol-4-sulfonic acid (CAS 84-87-7) is listed in the Materials Science portfolio, with molecular formula C10H8O4S and molecular weight 224. 23 g/mol.

Sourcing context

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

Research use context

Intended for materials chemistry research and formulation screening workflows.

Documentation needs

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

Safety & Handling

PPE

Respiratory protection if needed

First Aid

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

Stability / Reactivity

and reactivity.

Disposal

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

Show additional safety reference fields

Accidental Release

Use personal protective equipment.
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

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

1-Naphthalenesulfonic acid, 5-hydroxy-, sodium salt (1:?)CAS 5419-77-2

2-Amino-1,5-naphthalenedisulfonic acidCAS 117-62-4

4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acidCAS 130-23-4

4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acidCAS 119-40-4

7-Benzamido-4-hydroxynaphthalene-2-sulphonic acidCAS 132-87-6

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

RFQ questions for CAS 84-87-7

What are the key identifiers for 1-Naphthol-4-sulfonic acid (CAS 84-87-7)?

1-Naphthol-4-sulfonic acid is identified by CAS 84-87-7, with molecular formula C10H8O4S, molecular weight 224.23, InChIKey HGWQOFDAUWCQDA-UHFFFAOYSA-N.

Can I request a COA for CAS 84-87-7?

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

Can I request supplier SDS for 1-Naphthol-4-sulfonic acid?

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

Is CAS 84-87-7 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

PPE

First Aid

Stability / Reactivity

Disposal

Accidental Release

Related Catalog Entries

RFQ questions for CAS 84-87-7

1-Naphthol-4-sulfonic acid

Sourcing & RFQ

Available Options

Chemical Absolute Identifiers

Physical Properties

Catalog Facts

Applications & Classification

Safety & Handling

PPE

First Aid

Stability / Reactivity

Disposal

Accidental Release

Related Catalog Entries

RFQ questions for CAS 84-87-7