3-Amino-4-pyridazinecarboxylic acid - ≥95% , CAS No.21141-03-7

CAS: 21141-03-7 Cat. No.: A182743 Molecular Weight: 139.1
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
DTXSID00423331 | 4-Pyridazinecarboxylic acid, 3-amino- | MFCD01318258 | SY005535 | AKOS006342814 | KCOOFYQDXAMIBZ-UHFFFAOYSA-N | Ethyl2-chloro-6-fluorophenylacetate | 3-Amino-4-pyridazinecarboxylic acid | 3-Amino-4-pyridazinecarboxylic acid, AldrichCPR |
Storage
Store at 2-8°C,Protected from light,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
A182743-250mg
3
$48.90
1g
A182743-1g
3
$128.90
5g
A182743-5g
3
$509.90
Enter a quantity for the sizes you want to add.
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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,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

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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
DTXSID00423331 | 4-Pyridazinecarboxylic acid, 3-amino- | MFCD01318258 | SY005535 | AKOS006342814 | KCOOFYQDXAMIBZ-UHFFFAOYSA-N | Ethyl2-chloro-6-fluorophenylacetate | 3-Amino-4-pyridazinecarboxylic acid | 3-Amino-4-pyridazinecarboxylic acid, AldrichCPR |
Specifications & Purity
≥95%
Storage
Store at 2-8°C, Protected from light, 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 Sid504764109
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764109
Canonical SmilesC1=CN=NC(=C1C(=O)O)N
IUPAC Name3-aminopyridazine-4-carboxylic acid
InChIKeyKCOOFYQDXAMIBZ-UHFFFAOYSA-N
INCHI1S/C5H5N3O2/c6-4-3(5(9)10)1-2-7-8-4/h1-2H,(H2,6,8)(H,9,10)
Isomeric SMILES C1=CN=NC(=C1C(=O)O)N
Molecular Weight 139.1
Reaxy-Rn 1565035
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1565035&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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDiazines
SubclassPyridazines and derivatives
Intermediate Tree Nodes Not available
Direct ParentAminopyridazines
Alternative Parents Primary aromatic amines  Imidolactams  Vinylogous amides  Heteroaromatic compounds  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Aminopyridazine - Primary aromatic amine - Imidolactam - Vinylogous amide - Heteroaromatic compound - Amino acid or derivatives - Amino acid - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Azacycle - Primary amine - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Organic nitrogen compound - Amine - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - 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 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
K2519215Certificate of AnalysisNov 28, 2025 A182743
G2228300Certificate of AnalysisMay 09, 2025 A182743
G2228301Certificate of AnalysisMay 09, 2025 A182743
G2228372Certificate of AnalysisMay 09, 2025 A182743
Chemical and Physical Properties
Sensitivitylight sensitive
Molecular Weight139.110 g/mol
XLogP3-0.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count1
Exact Mass139.038 Da
Monoisotopic Mass139.038 Da
Topological Polar Surface Area89.100 Ų
Heavy Atom Count10
Formal Charge0
Complexity139.000
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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