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CAS Number: 65-86-1
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CAS Number
65-86-1
PubChem CID
967
Molecular Formula
C5H4N2O4
Molecular Weight
156.1 g/mol
Exact Mass
156.017107
InChIKey
PXQPEWDEAKTCGB-UHFFFAOYSA-N
IUPAC Name
2,4-dioxo-1H-pyrimidine-6-carboxylic acid
SMILES String
C1=C(NC(=O)NC1=O)C(=O)O
Appearance
Orotic acid appears as white crystals or crystalline powder. (NTP, 1992)
Melting Point
345–346.11 °C
pKa
1
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
Orotic Acid (CAS 65-86-1) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C5H4N2O4 and molecular weight 156. 10 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.
ChEMBL reports experimental activity evidence for: Dihydroorotate dehydrogenase (fumarate) (Leishmania major) — 6 assays; Protein deacetylase HDAC6 (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.
Dihydroorotate dehydrogenase (fumarate)
Leishmania major · SINGLE PROTEIN · 6 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Protein deacetylase HDAC6
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Safety and handling reference content is available through documentation requests.
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Preliminary Safety Reference
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Safety Reference / SDS RequestCatalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
Orotic Acid is identified by CAS 65-86-1, with molecular formula C5H4N2O4, molecular weight 156.1, InChIKey PXQPEWDEAKTCGB-UHFFFAOYSA-N.
ChEMBL contains qualifying experimental assay evidence associated with Dihydroorotate dehydrogenase (fumarate), Protein deacetylase HDAC6. These records do not establish therapeutic efficacy or clinical use.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
Availability, pack size, lead time, and pricing are confirmed through RFQ.
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