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Home/Compounds/CAS 13244-33-2
Formula C7H9NO4SMW 203.22Research-use catalog entryCOA/SDS by request

2-Amino-5-methoxybenzenesulfonic acid

CAS Number: 13244-33-2

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Loading RDKit molecule structure...
InChIKey: KZKGEEGADAWJFS-UHFFFAOYSA-NC7H9NO4S | MW 203.22

Chemical Absolute Identifiers

CAS Number

13244-33-2

PubChem CID

83260

Molecular Formula

C7H9NO4S

Molecular Weight

203.22 g/mol

Exact Mass

203.025229

InChIKey

KZKGEEGADAWJFS-UHFFFAOYSA-N

SMILES String

COC1=CC(=C(C=C1)N)S(=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

2-Amino-5-methoxybenzenesulfonic acid (CAS 13244-33-2) is listed in the Advanced Chemicals portfolio, with molecular formula C7H9NO4S and molecular weight 203. 22 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

Organic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Safety and handling reference content is available through documentation requests.

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

Preliminary Safety Reference

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Names & Synonyms / External Identifiers

Chemical Name

2-Amino-5-methoxybenzenesulfonic acid

Names & Synonyms

Benzenesulfonic acid, 2-amino-5-methoxy-4-Aminoanisole-3-sulfonic acid4-Methoxy-2-sulfoaniline2-Amino-5-methoxy benzenesulfonic acidKyselina 4-aminoanisol-3-sulfonova [Czech]
Show all synonyms
Kyselina 4-aminoanisol-3-sulfonova0-14-00-00813 (Beilstein Handbook Reference)4-anisidine-2-sulfonicacid2-amino-5-methoxybenzene-1-sulfonic acid2-Amino-5-methoxybenzenesulphonic acid2-amino-5-methoxy-benzenesulfonic acid4-Methoxyaniline-2-sulfonic Acid2-Amino-5-methoxybenzenesulfonicacid1-amino-4-methoxybenzene-2-sulphonic acid1-amino-4-methoxy-benzene-2-sulphonic acidA12852-Amino-5-methoxybenzenesulfonic acid, AldrichCPR
External Identifiers
EC NUMBER: 236-224-2DSSTOX SUBSTANCE ID: DTXSID2065381UNII: HJU535J932WIKIDATA ID: Q27279962
Experimental Spectrum References
13C NMR Spectra1H NMR SpectraFTIR Spectra

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

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

Text Reference Cues

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Non-public related references

2-Amino-5-methylbenzenesulfonic acidCAS 88-44-8
4-Amino-1,3-benzenedisulfonic acidCAS 137-51-9
1,4-Benzenedisulfonic acid, 2,5-diamino-CAS 7139-89-1
Benzenesulfonic acid, 3-amino-4-methoxy-CAS 98-42-0
2-Chloro-p-toluidine-5-sulfonic acidCAS 88-51-7

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

Catalog navigation

Related Catalog Entries

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

CAS 88-44-82-Amino-5-methylbenzenesulfonic acidCAS 137-51-94-Amino-1,3-benzenedisulfonic acidCAS 7139-89-11,4-Benzenedisulfonic acid, 2,5-diamino-CAS 98-42-0Benzenesulfonic acid, 3-amino-4-methoxy-CAS 88-51-72-Chloro-p-toluidine-5-sulfonic acidCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

RFQ questions for CAS 13244-33-2

What are the key identifiers for 2-Amino-5-methoxybenzenesulfonic acid (CAS 13244-33-2)?

2-Amino-5-methoxybenzenesulfonic acid is identified by CAS 13244-33-2, with molecular formula C7H9NO4S, molecular weight 203.22, InChIKey KZKGEEGADAWJFS-UHFFFAOYSA-N.

Can I request a COA for CAS 13244-33-2?

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

Can I request supplier SDS for 2-Amino-5-methoxybenzenesulfonic acid?

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

Is CAS 13244-33-2 available for quotation?

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

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