5-Chloro-1H-1,2,4-Triazole-3-carboxylic Acid - ≥95% , CAS No.21733-03-9

CAS: 21733-03-9 Cat. No.: C726418 Molecular Weight: 147.52 PubChem CID: 12007254
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
5-Chloro-1H-1,2,4-Triazole-3-Carboxylic Acid N-Methylmethanamine | 5-Chloro-4H-1,2,4-triazole-3-carboxylic acid
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
C726418-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$41.90

$62.90
Save $21.00 (33.39%)
250mg
C726418-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$112.90
1g
C726418-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$382.90
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Why this grade

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

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads 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
5-Chloro-1H-1, 2, 4-Triazole-3-Carboxylic Acid N-Methylmethanamine | 5-Chloro-4H-1, 2, 4-triazole-3-carboxylic acid
Specifications & Purity
≥95%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesC1(=NNC(=N1)Cl)C(=O)O
IUPAC Name5-chloro-1H-1,2,4-triazole-3-carboxylic acid
InChIKeyGDCBIQJUSRDOGR-UHFFFAOYSA-N
INCHI1S/C3H2ClN3O2/c4-3-5-1(2(8)9)6-7-3/h(H,8,9)(H,5,6,7)
Isomeric SMILES C1(=NNC(=N1)Cl)C(=O)O
PubChem CID 12007254
Molecular Weight 147.52

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
SuperclassOrganohalogen compounds
ClassAryl halides
SubclassAryl chlorides
Intermediate Tree Nodes Not available
Direct ParentAryl chlorides
Alternative Parents Triazoles  Heteroaromatic compounds  Carboxylic acids  Azacyclic compounds  Organooxygen compounds  Organonitrogen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Aryl chloride - Azole - 1,2,4-triazole - Heteroaromatic compound - Carboxylic acid derivative - Carboxylic acid - Organoheterocyclic compound - Azacycle - Organooxygen compound - Organonitrogen compound - Organochloride - Organic nitrogen compound - Organic oxide - Organic oxygen compound - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aryl chlorides. These are organic compounds containing the acyl chloride functional 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:
Chemical and Physical Properties
SensitivityMoisture sensitive
Molecular Weight147.520 g/mol
XLogP30.800
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass146.984 Da
Monoisotopic Mass146.984 Da
Topological Polar Surface Area78.900 Ų
Heavy Atom Count9
Formal Charge0
Complexity130.000
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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