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Home/Compounds/CAS 1672-63-5
Formula C11H12N2O2MW 204.22Research-use catalog entryCOA/SDS by request

4-Hydroxyantipyrine

CAS Number: 1672-63-5

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Loading RDKit molecule structure...
InChIKey: SKVPTPMWXJSBTF-UHFFFAOYSA-NC11H12N2O2 | MW 204.22

Chemical Absolute Identifiers

CAS Number

1672-63-5

PubChem CID

98889

Molecular Formula

C11H12N2O2

Molecular Weight

204.22 g/mol

Exact Mass

204.089878

InChIKey

SKVPTPMWXJSBTF-UHFFFAOYSA-N

IUPAC Name

4-hydroxy-1,5-dimethyl-2-phenylpyrazol-3-one

SMILES String

CC1=C(C(=O)N(N1C)C2=CC=CC=C2)O

Physical Properties

No physical property values available.

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

Catalog Facts

Structural features

4-Hydroxyantipyrine (CAS 1672-63-5) is listed in the Life Science portfolio, with molecular formula C11H12N2O2 and molecular weight 204. 22 g/mol.

Sourcing context

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

Research use context

Intended for life-science research and analytical 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

Analytical ScienceLife Science ResearchResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow
Biological target reference

ChEMBL reports experimental activity evidence for: Protein deacetylase HDAC6 (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.

Protein deacetylase HDAC6

Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents

Experimental evidence source: ChEMBL

Safety & Handling

Handling & Storage

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity.
  • Carbon monoxide, carbon dioxide, nitrogen oxides.

Disposal

  • Dispose of the product by handing over remaining and non-recyclable solutions to a licensed company.
  • Contact a professional institution with a waste disposal license to handle this substance.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus during firefighting.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Use personal protective equipment and emergency procedures.

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

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

4-Hydroxyantipyrine

Names & Synonyms

3H-Pyrazol-3-one, 1,2-dihydro-4-hydroxy-1,5-dimethyl-2-phenyl-4-Hydroxy-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-oneAntipyrine, 4-hydroxy4-hydroxy-1,5-dimethyl-2-phenyl-1,2-dihydro-3h-pyrazol-3-onePrestwick_270
Show all synonyms
4-hydroxyphenazone4-HydroxyantipyrenePrestwick0_000030Prestwick1_000030Prestwick2_000030Prestwick3_000030BSPBio_000099SPBio_0020204-Hydroxyantipyrine (>90%)4-Hydroxyantipyrine (Standard)BPBio1_000109ANTIPYRINE, 4-HYDROXY-1,2-Dihydro-4-hydroxy-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one4-hydroxy-1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one
External Identifiers
EC NUMBER: 626-671-5DSSTOX SUBSTANCE ID: DTXSID70168242CHEMBL ID: CHEMBL1526434CHEBI ID: CHEBI:94641UNII: DPZ41NV570HMDB ID: HMDB0060878WIKIDATA ID: Q27166457
Experimental Spectrum References
13C NMR Spectra — Sigma-Aldrich Co. LLC.1H NMR SpectraATR-IR SpectraFTIR SpectraRaman SpectraUV-VIS Spectra
Literature & Patent References
DOI 10.1016/j.isci.2024.108907Identification and evaluation of small-molecule inhibitors against the dNTPase SAMHD1 via a comprehensive screening funnelPMID 38318365Identification and evaluation of small-molecule inhibitors against the dNTPase SAMHD1 via a comprehensive screening funnelDOI 10.6019/CHEMBL4651402Screening of ~5500 FDA-approved drugs and clinical candidates for anti-SARS-CoV-2 activityDOI 10.6019/CHEMBL4808148HDAC6 screening dataset using tau-based substrate in an enzymatic assay yields selective inhibitors and activatorsDOI 10.1101/2020.04.03.023846In vitro screening of a FDA approved chemical library reveals potential inhibitors of SARS-CoV-2 replicationDOI 10.21203/rs.3.rs-23951/v1Identification of inhibitors of SARS-CoV-2 in-vitro cellular toxicity in human (Caco-2) cells using a large scale drug repurposing collectionDOI 10.6019/CHEMBL4495564Identification of inhibitors of SARS-Cov2 M-Pro enzymatic activity using a small molecule repurposing screenDOI 10.6019/CHEMBL4495565Cytopathic SARS-Cov2 screening on VERO-E6 cells in a large repurposing effort

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

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Non-public related references

CarbetamideCAS 16118-49-3

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 100643-71-8DesloratadineCAS 101831-37-2DiclazurilCAS 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 1672-63-5

What are the key identifiers for 4-Hydroxyantipyrine (CAS 1672-63-5)?

4-Hydroxyantipyrine is identified by CAS 1672-63-5, with molecular formula C11H12N2O2, molecular weight 204.22, InChIKey SKVPTPMWXJSBTF-UHFFFAOYSA-N.

Does CAS 1672-63-5 have reported biological target evidence?

ChEMBL contains qualifying experimental assay evidence associated with Protein deacetylase HDAC6. These records do not establish therapeutic efficacy or clinical use.

Can I request a COA for CAS 1672-63-5?

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

Can I request supplier SDS for 4-Hydroxyantipyrine?

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

Is CAS 1672-63-5 available for quotation?

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

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