6-Chloro[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one - ≥95% , CAS No.33050-32-7

CAS: 33050-32-7 Cat. No.: C349407 Molecular Weight: 170.56
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
MFCD01219639 | BBL009690 | 6-chloro-2H-[1,2,4]triazolo[4,3-b]pyridazin-3-one | OXXDECZCLRNVKK-UHFFFAOYSA-N | AMY31816 | 3-hydroxy-6-chloro-1,2,4-triazolo[4,3-b]pyridazine | 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one | 6-chloro[1,2,4]triazolo[4,3-b
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
500mg
C349407-500mg
3

$20.90

$31.90
Save $11.00 (34.48%)
1g
C349407-1g
3

$36.90

$55.90
Save $19.00 (33.99%)
5g
C349407-5g
4

$143.90

$215.90
Save $72.00 (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,Argon charged 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.

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Literature proof

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

Specifications

Synonyms
MFCD01219639 | BBL009690 | 6-chloro-2H-[1, 2, 4]triazolo[4, 3-b]pyridazin-3-one | OXXDECZCLRNVKK-UHFFFAOYSA-N | AMY31816 | 3-hydroxy-6-chloro-1, 2, 4-triazolo[4, 3-b]pyridazine | 6-Chloro-[1, 2, 4]triazolo[4, 3-b]pyridazin-3(2H)-one | 6-chloro[1, 2, 4]triazolo[4, 3-b
Specifications & Purity
≥95%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504764110
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764110
Canonical SmilesC1=CC(=NN2C1=NNC2=O)Cl
IUPAC Name6-chloro-2H-[1,2,4]triazolo[4,3-b]pyridazin-3-one
InChIKeyOXXDECZCLRNVKK-UHFFFAOYSA-N
INCHI1S/C5H3ClN4O/c6-3-1-2-4-7-8-5(11)10(4)9-3/h1-2H,(H,8,11)
Isomeric SMILES C1=CC(=NN2C1=NNC2=O)Cl
Molecular Weight 170.56
Reaxy-Rn 1212258
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1212258&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.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzoles
SubclassTriazoles
Intermediate Tree Nodes Triazolones
Direct ParentAryl 1,2,4-triazolones
Alternative Parents Triazolopyridazines  Pyridazines and derivatives  Aryl chlorides  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Aryl 1,2,4-triazol-3-one - Triazolopyridazine - Aryl chloride - Aryl halide - Pyridazine - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organooxygen compound - Organonitrogen compound - Organochloride - Organohalogen compound - Organic oxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aryl 1,2,4-triazolones. These are aromatic heterocyclic compounds containing a 1,2,4-triazolone moiety that is substituted at the 5-position with an aryl group.
External Descriptors Not available
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.

4 results found

Lot NumberCertificate TypeDateItem
K2229192Certificate of AnalysisSep 16, 2025 C349407
K2229191Certificate of AnalysisSep 16, 2025 C349407
K2229198Certificate of AnalysisSep 16, 2025 C349407
C2504166Certificate of AnalysisOct 10, 2022 C349407
Chemical and Physical Properties
SolubilityDMSO (Sparingly), Methanol (Slightly, Sonicated)
Refractive Indexn20D1.85
Melt Point(°C)265-275° C
Molecular Weight170.560 g/mol
XLogP30.200
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass170 Da
Monoisotopic Mass170 Da
Topological Polar Surface Area57.100 Ų
Heavy Atom Count11
Formal Charge0
Complexity306.000
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
Solution Calculators
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