3,5-Pyrazoledicarboxylic Acid - ≥97% , CAS No.3112-31-0

CAS: 3112-31-0 Cat. No.: P138655 Molecular Weight: 156.10 Beilstein Registry Number: 25162 EC Number: 221-474-7
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
3,5-Pyrazoledicarboxylic acid | 3,5-pyrazole-dicarboxylic acid | FT-0634672 | 3-methyl-butyryl chloride | DTXSID90185057 | N,N-Dibenzyl-p-phenylenediamine | 3,5-Pyrazole dicarboxylic acid | NSC 5277 | p-Bromophenyl thiol | MFCD00005273 | AM9904 | EINECS 2
Storage
Room temperature,Argon charged
Shipped In
Normal
Size
Status
Price
Qty
1g
P138655-1g
5
$9.90
5g
P138655-5g
1
$10.90
25g
P138655-25g
1

$23.90

$35.90
Save $12.00 (33.43%)
100g
P138655-100g
1

$94.90

$142.90
Save $48.00 (33.59%)
500g
P138655-500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$378.90

$568.90
Save $190.00 (33.40%)
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Why this grade

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

🌡

Storage & shipping

Room temperature,Argon charged Ships Normal 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
3, 5-Pyrazoledicarboxylic acid | 3, 5-pyrazole-dicarboxylic acid | FT-0634672 | 3-methyl-butyryl chloride | DTXSID90185057 | N, N-Dibenzyl-p-phenylenediamine | 3, 5-Pyrazole dicarboxylic acid | NSC 5277 | p-Bromophenyl thiol | MFCD00005273 | AM9904 | EINECS 2
Specifications & Purity
≥97%
Storage
Room temperature, Argon charged
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488185294
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488185294
Canonical SmilesC1=C(NN=C1C(=O)O)C(=O)O
IUPAC Name1H-pyrazole-3,5-dicarboxylic acid
InChIKeyYDMVPJZBYSWOOP-UHFFFAOYSA-N
INCHI1S/C5H4N2O4/c8-4(9)2-1-3(5(10)11)7-6-2/h1H,(H,6,7)(H,8,9)(H,10,11)
Isomeric SMILES C1=C(NN=C1C(=O)O)C(=O)O
Alternate CAS 303180-11-2
Molecular Weight 156.10
Beilstein 25162
Reaxy-Rn 147821

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 Dicarboxylic acids and derivatives  Heteroaromatic compounds  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 - Dicarboxylic acid or derivatives - Heteroaromatic compound - Azacycle - 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





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.

34 results found

Lot NumberCertificate TypeDateItem
G2616487Certificate of AnalysisJul 23, 2026 P138655
G2616489Certificate of AnalysisJul 23, 2026 P138655
G2616488Certificate of AnalysisJul 23, 2026 P138655
A2620089Certificate of AnalysisNov 29, 2025 P138655
K2527498Certificate of AnalysisNov 29, 2025 P138655
K2527492Certificate of AnalysisNov 29, 2025 P138655
K2527491Certificate of AnalysisNov 29, 2025 P138655
K2527484Certificate of AnalysisNov 29, 2025 P138655
E2607052Certificate of AnalysisNov 29, 2025 P138655
F2516621Certificate of AnalysisJun 17, 2025 P138655
F2513378Certificate of AnalysisJun 14, 2025 P138655
F2513377Certificate of AnalysisJun 14, 2025 P138655
G2417163Certificate of AnalysisJul 25, 2024 P138655
G2417161Certificate of AnalysisJul 25, 2024 P138655
G2417150Certificate of AnalysisJul 25, 2024 P138655
D2412231Certificate of AnalysisMar 11, 2024 P138655
D2412229Certificate of AnalysisMar 11, 2024 P138655
D2412225Certificate of AnalysisMar 11, 2024 P138655
L2327113Certificate of AnalysisJan 02, 2024 P138655
L2327114Certificate of AnalysisJan 02, 2024 P138655
L2327144Certificate of AnalysisJan 02, 2024 P138655
L2327145Certificate of AnalysisJan 02, 2024 P138655
G2419045Certificate of AnalysisJan 02, 2024 P138655
F2427032Certificate of AnalysisJan 02, 2024 P138655
C2422050Certificate of AnalysisJan 02, 2024 P138655
G2325072Certificate of AnalysisFeb 28, 2023 P138655
B2322004Certificate of AnalysisFeb 28, 2023 P138655
B2321969Certificate of AnalysisFeb 28, 2023 P138655
B23211145Certificate of AnalysisFeb 28, 2023 P138655
B23211138Certificate of AnalysisFeb 28, 2023 P138655
B23211129Certificate of AnalysisFeb 28, 2023 P138655
B23211114Certificate of AnalysisFeb 28, 2023 P138655
B23211109Certificate of AnalysisFeb 28, 2023 P138655
B23211087Certificate of AnalysisFeb 28, 2023 P138655

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Chemical and Physical Properties
Sensitivityair sensitive
Melt Point(°C)287 °C
Molecular Weight156.100 g/mol
XLogP3-0.100
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass156.017 Da
Monoisotopic Mass156.017 Da
Topological Polar Surface Area103.000 Ų
Heavy Atom Count11
Formal Charge0
Complexity193.000
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
Citations of This Product
References
1. Jiadong Zhu, Jianbo Hu, Hao Xiao, Lifeng Yang, Mingshan Yang, Shucheng Wang, Jianjun Zhang, Huabin Xing.  (2023)  Aluminum-based metal organic frameworks for greenhouse gases CF4 and C2F6 capture with excellent capacity and selectivity.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2023.125614]
2. Ke Wu, Lulu Guo, Wei Wang, Zhimin Yang, Haishun Liu.  (2024)  Cu(II) coordination MOF-303 based dual-functional sensor for precisely detecting and distinguishing humidity and temperature with multifunction applications.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2024.136174]
3. Jianwei Yuan, Chengcheng Zhou, Jiawei Zheng, Qianqian Jia, Zhenggang Wang, Haipeng Zhu, Guozhen Liu, Yanan Guo, Zhenwei Zhang, Shuping Zhang, Pin Zhou, Gongping Liu, Wanqin Jin.  (2024)  Novel MOF-303 integrated polymer membrane for efficient separation of azeotropic methanol-MTBE mixtures.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.126623]
4. Bingquan Chen, Xiao-Wen Gu, Liyun Zhong, Enyu Wu, Bin Li.  (2025)  Chelation of silver ions into a chemically stable and scalable aluminum-based metal−organic framework for highly efficient and recyclable sterilization.  JOURNAL OF MOLECULAR STRUCTURE,      [PMID:] [10.1016/j.molstruc.2025.143842]
5. Yiqiang Deng, Shengwang Li, Zhuo Yang, Guining Chen, Xiuling Chen, Shuang-Feng Yin, Gongping Liu.  (2025)  Small molecule bridged MOF-802/polymer mixed-matrix membranes for helium extraction.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.125075]
Solution Calculators
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