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Home/Compounds/CAS 288-13-1
Formula C3H4N2MW 68.08Research-use catalog entryCOA/SDS by request

Pyrazole

CAS Number: 288-13-1

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Available options

Available Options

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1 kg
Purity
98%
Price
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100 g
Purity
98%
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500 g
Purity
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Loading RDKit molecule structure...
InChIKey: WTKZEGDFNFYCGP-UHFFFAOYSA-NC3H4N2 | MW 68.08

Chemical Absolute Identifiers

CAS Number

288-13-1

PubChem CID

1048

Molecular Formula

C3H4N2

Molecular Weight

68.08 g/mol

Exact Mass

68.037448

InChIKey

WTKZEGDFNFYCGP-UHFFFAOYSA-N

IUPAC Name

1H-pyrazole

SMILES String

c1cn[nH]c1

Physical Properties

Melting Point

68.0 °C

Boiling Point

187.0 °C

Water Solubility

194 mg/L

pKa

2.48

Show more physical data

Vapor Pressure

Estimated value, unit not specified

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Pyrazole (CAS 288-13-1) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C3H4N2 and molecular weight 68. 08 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research-stage medicinal chemistry and intermediate synthesis workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Pharmaceutical Intermediate ResearchResearch intermediateCustom synthesis building blockPharmaceutical intermediate researchResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Safety and handling reference content is available through documentation requests.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

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Names & Synonyms / External Identifiers

Chemical Name

Pyrazole

Names & Synonyms

1,2-diazolePyrazol1H-pyrazoldiazoleHpz
Show all synonyms
2-PyrromonazolePyrazole-3-pyrazolePYRAZOLE [MI]EC 206-017-1s3093Pyrazole, purum, >=98.0% (GC)P0546AC-907/25014006InChI=1/C3H4N2/c1-2-4-5-3-1/h1-3H,(H,4,5
External Identifiers
EC NUMBER: 206-017-1DSSTOX SUBSTANCE ID: DTXSID2059774CHEMBL ID: CHEMBL15967CHEBI ID: CHEBI:17241UNII: 3QD5KJZ7ZJDRUGBANK ID: DB02757HMDB ID: HMDB0256947KEGG ID: C00481METABOLOMICS WORKBENCH ID: 50831NCI THESAURUS CODE: C45670WIKIDATA ID: Q408908
Experimental Spectrum References
13C NMR Spectra15N NMR Spectra1D NMR Spectra1H NMR SpectraATR-IR SpectraFTIR SpectraVapor Phase IR Spectra
Literature & Patent References
DOI 10.1016/j.bmcl.2012.07.091Inhibitor scaffold for the histone lysine demethylase KDM4C (JMJD2C).DOI 10.1021/jm300343mMitigating heterocycle metabolism in drug discovery.PMID 22533875Mitigating heterocycle metabolism in drug discovery.PMID 22917519Inhibitor scaffold for the histone lysine demethylase KDM4C (JMJD2C).DOI 10.1021/np9703104Elgonica-Dimers A and B, Two Potent Alcohol Metabolism Inhibitory Constituents of Aloe arborescensDOI 10.1021/jm00155a005A quantitative structure-activity relationship and molecular graphics analysis of hydrophobic effects in the interactions of inhibitors with alcohol dehydrogenase.PMID 2939242A quantitative structure-activity relationship and molecular graphics analysis of hydrophobic effects in the interactions of inhibitors with alcohol dehydrogenase.DOI 10.1021/jm00142a006Highly selective inhibitors of thromboxane synthetase. 2. Pyridine derivatives.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

Show non-linked catalog cues

Non-public related references

4-IodopyrazoleCAS 3469-69-0

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 288-13-1

What are the key identifiers for Pyrazole (CAS 288-13-1)?

Pyrazole is identified by CAS 288-13-1, with molecular formula C3H4N2, molecular weight 68.08, InChIKey WTKZEGDFNFYCGP-UHFFFAOYSA-N.

Can I request a COA for CAS 288-13-1?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Pyrazole?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 288-13-1 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.