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Home/Compounds/CAS 6339-19-1
Formula C4H4ClN3OMW 145.55Research-use catalog entryCOA/SDS by request

5-Amino-4-chloropyridazin-3(2H)-one

CAS Number: 6339-19-1

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Loading RDKit molecule structure...
InChIKey: FEWPCPCEGBPTAL-UHFFFAOYSA-NC4H4ClN3O | MW 145.55

Chemical Absolute Identifiers

CAS Number

6339-19-1

PubChem CID

95827

Molecular Formula

C4H4ClN3O

Molecular Weight

145.55 g/mol

Exact Mass

145.00429

InChIKey

FEWPCPCEGBPTAL-UHFFFAOYSA-N

IUPAC Name

4-amino-5-chloro-1H-pyridazin-6-one

SMILES String

C1=NNC(=O)C(=C1N)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

5-Amino-4-chloropyridazin-3(2H)-one (CAS 6339-19-1) is listed in the Advanced Chemicals portfolio, with molecular formula C4H4ClN3O and molecular weight 145. 55 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 BlocksSynthetic 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

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  • Rinse mouth with water.

Stability / Reactivity

  • Stability and reactivity.
  • Carbon monoxide, carbon dioxide, hydrogen chloride, nitrogen oxides.

Disposal

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Fire Fighting

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Accidental Release

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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

5-Amino-4-chloropyridazin-3(2H)-one

Names & Synonyms

3(2H)-Pyridazinone, 5-amino-4-chloro-CHLORIDAZON-DESPHENYL4-AMINO-5-CHLOROPYRIDAZIN-6(1H)-ONEDesphenyl Chloridazon5-AMINO-4-CHLORO-3(2H)-PYRIDAZINONE
Show all synonyms
chloridazone-desphenyl5-Amino-4-chloro-3-pyridazinone5-AMINO-4-CHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE5-amino-4-chloropyridazin-3-olchloridazon TP1Chloridazon Metabolite B4-amino-5-chloro-6-pyridazonechloridazone-desphenyl hydrochlorideChloridazon-desphenyl 10 |Ig/mL in AcetonitrileAM-944/40947503Chloridazon-desphenyl 10 microg/mL in AcetonitrileChloridazon-desphenyl 100 |Ig/mL in AcetonitrileChloridazon-desphenyl 100 microg/mL in Acetonitrile
External Identifiers
EC NUMBER: 696-510-1DSSTOX SUBSTANCE ID: DTXSID50212792CHEBI ID: CHEBI:83479UNII: 43F7SZ79PPWIKIDATA ID: Q27156862Desphenylchloridazon-15N2
Experimental Spectrum References
13C 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

4,5-Dichloro-3-hydroxypyridazineCAS 932-22-9
4,5-Diaminopyridazin-3(2H)-oneCAS 28682-73-7
4-Amino-5-chloropyridazin-3(2H)-oneCAS 55271-58-4
4-Chloro-5-methoxy-3(2H)-pyridazinoneCAS 63910-43-0
4-Aminopyridazin-3-olCAS 55271-46-0

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 932-22-94,5-Dichloro-3-hydroxypyridazineCAS 28682-73-74,5-Diaminopyridazin-3(2H)-oneCAS 55271-58-44-Amino-5-chloropyridazin-3(2H)-oneCAS 63910-43-04-Chloro-5-methoxy-3(2H)-pyridazinoneCAS 55271-46-04-Aminopyridazin-3-olCAS 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 6339-19-1

What are the key identifiers for 5-Amino-4-chloropyridazin-3(2H)-one (CAS 6339-19-1)?

5-Amino-4-chloropyridazin-3(2H)-one is identified by CAS 6339-19-1, with molecular formula C4H4ClN3O, molecular weight 145.55, InChIKey FEWPCPCEGBPTAL-UHFFFAOYSA-N.

Can I request a COA for CAS 6339-19-1?

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

Can I request supplier SDS for 5-Amino-4-chloropyridazin-3(2H)-one?

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

Is CAS 6339-19-1 available for quotation?

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

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