1,3-Dimethyl-1H-pyrazole-5-carboxylic acid - ≥97% , CAS No.5744-56-9

CAS: 5744-56-9 Cat. No.: D139018 Molecular Weight: 140.14 EC Number: 673-141-4
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
BDBM50480960 | STK347695 | AS-5386 | ENT-24042 | 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid | 1,3-dimethylpyrazol-5-carboxylic acid | 1,3-Dimethylpyrazole-5-carboxylicacid | InChI=1/C6H8N2O2/c1-4-3-5(6(9)10)8(2)7-4/h3H,1-2H3,(H,9,10 | 1,3-Dimethyl-1H-pyra
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D139018-1g
3

$9.90

$14.90
Save $5.00 (33.56%)
5g
D139018-5g
3

$11.90

$17.90
Save $6.00 (33.52%)
25g
D139018-25g
2

$51.90

$77.90
Save $26.00 (33.38%)
100g
D139018-100g
1

$154.90

$232.90
Save $78.00 (33.49%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C 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
BDBM50480960 | STK347695 | AS-5386 | ENT-24042 | 1, 3-Dimethyl-1H-pyrazole-5-carboxylic acid | 1, 3-dimethylpyrazol-5-carboxylic acid | 1, 3-Dimethylpyrazole-5-carboxylicacid | InChI=1/C6H8N2O2/c1-4-3-5(6(9)10)8(2)7-4/h3H, 1-2H3, (H, 9, 10 | 1, 3-Dimethyl-1H-pyra
Specifications & Purity
≥97%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid488190480
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488190480
Canonical SmilesCC1=NN(C(=C1)C(=O)O)C
IUPAC Name2,5-dimethylpyrazole-3-carboxylic acid
InChIKeyQRWZFUBHOQWUGH-UHFFFAOYSA-N
INCHI1S/C6H8N2O2/c1-4-3-5(6(9)10)8(2)7-4/h3H,1-2H3,(H,9,10)
Isomeric SMILES CC1=NN(C(=C1)C(=O)O)C
WGK Germany 1
Molecular Weight 140.14
Reaxy-Rn 126765
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=126765&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
SubclassPyrazoles
Intermediate Tree Nodes Not available
Direct ParentPyrazole carboxylic acids and derivatives
Alternative Parents Heteroaromatic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyrazole-3-carboxylic acid or derivatives - Pyrazole-5-carboxylic acid or derivatives - Heteroaromatic compound - Azacycle - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrazole carboxylic acids and derivatives. These are heterocyclic compounds containing a pyrazole ring in which a hydrogen atom is replaced by a carboxylic acid group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
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.

9 results found

Lot NumberCertificate TypeDateItem
C2027104Certificate of AnalysisAug 15, 2025 D139018
G23051085Certificate of AnalysisApr 07, 2025 D139018
G23051086Certificate of AnalysisApr 07, 2025 D139018
G23051102Certificate of AnalysisApr 07, 2025 D139018
G2305732Certificate of AnalysisApr 07, 2025 D139018
G2305733Certificate of AnalysisApr 07, 2025 D139018
G2305734Certificate of AnalysisApr 07, 2025 D139018
G2305740Certificate of AnalysisApr 07, 2025 D139018
G2305741Certificate of AnalysisApr 07, 2025 D139018
Chemical and Physical Properties
SolubilitySoluble in Methanol
Melt Point(°C)208-213°C
Molecular Weight140.140 g/mol
XLogP30.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass140.059 Da
Monoisotopic Mass140.059 Da
Topological Polar Surface Area55.100 Ų
Heavy Atom Count10
Formal Charge0
Complexity149.000
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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