5-Amino-4-chloropyridazin-3(2H)-one - ≥95% , CAS No.6339-19-1

CAS: 6339-19-1 Cat. No.: A194323 Molecular Weight: 145.55 EC Number: 696-510-1
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
6-Amino-7,9-dihydro-2-(2-methoxyethoxy)-9-(phenylmethyl)-8H-purin-8-one | SY024000 | Chloridazon-desphenyl 10 microg/mL in Acetonitrile | FT-0666262 | NSC38293 | NSC-38293 | EN300-107044 | PB10202 | 5-AMINO-4-CHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE | ((S)-1-eth
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
A194323-250mg
5

$24.90

$37.90
Save $13.00 (34.30%)
1g
A194323-1g
5

$35.90

$53.90
Save $18.00 (33.40%)
5g
A194323-5g
2

$127.90

$191.90
Save $64.00 (33.35%)
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Protected from light Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
6-Amino-7, 9-dihydro-2-(2-methoxyethoxy)-9-(phenylmethyl)-8H-purin-8-one | SY024000 | Chloridazon-desphenyl 10 microg/mL in Acetonitrile | FT-0666262 | NSC38293 | NSC-38293 | EN300-107044 | PB10202 | 5-AMINO-4-CHLORO-2, 3-DIHYDROPYRIDAZIN-3-ONE | ((S)-1-eth
Specifications & Purity
≥95%
Storage
Store at 2-8°C, Protected from light
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid488186945
Canonical SmilesC1=NNC(=O)C(=C1N)Cl
IUPAC Name4-amino-5-chloro-1H-pyridazin-6-one
InChIKeyFEWPCPCEGBPTAL-UHFFFAOYSA-N
INCHI1S/C4H4ClN3O/c5-3-2(6)1-7-8-4(3)9/h1H,(H3,6,8,9)
Isomeric SMILES C1=NNC(=O)C(=C1N)Cl
Molecular Weight 145.55
Reaxy-Rn 120958
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=120958&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDiazines
SubclassPyridazines and derivatives
Intermediate Tree Nodes Not available
Direct ParentAminopyridazines
Alternative Parents Aryl chlorides  Heteroaromatic compounds  Azacyclic compounds  Primary amines  Organopnictogen compounds  Organooxygen compounds  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Aminopyridazine - Aryl chloride - Aryl halide - Heteroaromatic compound - Azacycle - Amine - Hydrocarbon derivative - Primary amine - Organooxygen compound - Organonitrogen compound - Organochloride - Organohalogen compound - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aminopyridazines. These are organic compounds containing an amino group attached to a pyridazine ring.
External Descriptors organochlorine compound - primary arylamine - pyridazines - heteroaryl hydroxy compound
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

7 results found

Lot NumberCertificate TypeDateItem
E2315047Certificate of AnalysisFeb 05, 2026 A194323
E2315048Certificate of AnalysisFeb 05, 2026 A194323
E2315049Certificate of AnalysisFeb 05, 2026 A194323
E2315053Certificate of AnalysisFeb 05, 2026 A194323
E2315056Certificate of AnalysisFeb 05, 2026 A194323
E2315061Certificate of AnalysisFeb 05, 2026 A194323
A2628083Certificate of AnalysisMar 28, 2023 A194323
Chemical and Physical Properties
Sensitivitylight sensitive
Molecular Weight145.550 g/mol
XLogP3-0.300
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass145.004 Da
Monoisotopic Mass145.004 Da
Topological Polar Surface Area67.500 Ų
Heavy Atom Count9
Formal Charge0
Complexity208.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Solution Calculators
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