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Home/Compounds/CAS 21320-91-2
Formula C7H6ClNO5SMW 251.64Research-use catalog entryCOA/SDS by request

2-Methoxy-4-nitrobenzenesulfonyl chloride

CAS Number: 21320-91-2

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Available Options

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Purity
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Loading RDKit molecule structure...
InChIKey: QECYXMKYZQXEHM-UHFFFAOYSA-NC7H6ClNO5S | MW 251.64

Chemical Absolute Identifiers

CAS Number

21320-91-2

PubChem CID

309458

Molecular Formula

C7H6ClNO5S

Molecular Weight

251.64 g/mol

Exact Mass

250.965521

InChIKey

QECYXMKYZQXEHM-UHFFFAOYSA-N

SMILES String

COC1=C(C=CC(=C1)[N+](=O)[O-])S(=O)(=O)Cl

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-Methoxy-4-nitrobenzenesulfonyl chloride (CAS 21320-91-2) is listed in the Advanced Chemicals portfolio, with molecular formula C7H6ClNO5S and molecular weight 251. 64 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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Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

2-Methoxy-4-nitrobenzenesulfonyl chloride

Names & Synonyms

2-Methoxy-4-nitrobenzene-1-sulfonyl chloride2-methoxy-4-nitrobenzenesulphonyl chloride2-methoxy-4-nitro-benzenesulfonyl chloride2-methoxy-4-nitrobenzenesulfonylchlorideBenzenesulfonyl chloride, 2-methoxy-4-nitro-
Show all synonyms
2-Methoxy-4-nitrobenzensulfonyl chloride2-Methoxy-4-nitrobenzene-1-sulfonylchloridechloro(2-methoxy-4-nitrophenyl)sulfone2-methoxy-4 nitrobenzenesulfonyl chloride4-nitro-2- methoxybenzenesulfonyl chloride4-nitro-2-methoxybenzenesulphonyl chlorideM2403
External Identifiers
EC NUMBER: 627-635-1DSSTOX SUBSTANCE ID: DTXSID10309319WIKIDATA ID: Q72517204
Experimental Spectrum References
ATR-IR Spectra — Bio-Rad Laboratories, Inc.FTIR Spectra — Bio-Rad Laboratories, Inc.Raman Spectra — Bio-Rad Laboratories, Inc.

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

Show non-linked catalog cues

Non-public related references

2-Methoxy-5-nitrobenzene-1-sulfonyl chlorideCAS 81118-92-5
5-Nitrotoluene-2-sulfonyl chlorideCAS 21320-90-1
2-Chloro-4-nitrobenzene-1-sulfonyl chlorideCAS 20201-03-0
Methyl 2-(chlorosulfonyl)-5-nitrobenzoateCAS 1039020-81-9
2-Bromo-4-nitrobenzene-1-sulfonyl chlorideCAS 1099660-60-2

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 81118-92-52-Methoxy-5-nitrobenzene-1-sulfonyl chlorideCAS 21320-90-15-Nitrotoluene-2-sulfonyl chlorideCAS 20201-03-02-Chloro-4-nitrobenzene-1-sulfonyl chlorideCAS 1039020-81-9Methyl 2-(chlorosulfonyl)-5-nitrobenzoateCAS 1099660-60-22-Bromo-4-nitrobenzene-1-sulfonyl chlorideCAS 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 21320-91-2

What are the key identifiers for 2-Methoxy-4-nitrobenzenesulfonyl chloride (CAS 21320-91-2)?

2-Methoxy-4-nitrobenzenesulfonyl chloride is identified by CAS 21320-91-2, with molecular formula C7H6ClNO5S, molecular weight 251.64, InChIKey QECYXMKYZQXEHM-UHFFFAOYSA-N.

Can I request a COA for CAS 21320-91-2?

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

Can I request supplier SDS for 2-Methoxy-4-nitrobenzenesulfonyl chloride?

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

Is CAS 21320-91-2 available for quotation?

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

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