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CAS Number: 143491-57-0
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CAS Number
143491-57-0
PubChem CID
60877
Molecular Formula
C8H10FN3O3S
Molecular Weight
247.25 g/mol
Exact Mass
247.042691
InChIKey
XQSPYNMVSIKCOC-NTSWFWBYSA-N
IUPAC Name
4-amino-5-fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one
SMILES String
C1[C@H](O[C@H](S1)CO)N2C=C(C(=NC2=O)N)F
Melting Point
136–14 °C
pKa
2.65
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
Emtricitabine (CAS 143491-57-0) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C8H10FN3O3S and molecular weight 247. 25 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: Alpha-1A adrenergic receptor (Homo sapiens) — 3 assays; Multidrug and toxin extrusion protein 1 (Homo sapiens) — 3 assays; Multidrug and toxin extrusion protein 2 (Homo sapiens) — 3 assays; 5-hydroxytryptamine receptor 2A (Homo sapiens) — 2 assays; 5-hydroxytryptamine receptor 2B (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.
Alpha-1A adrenergic receptor
Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Multidrug and toxin extrusion protein 1
Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Multidrug and toxin extrusion protein 2
Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
5-hydroxytryptamine receptor 2A
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
5-hydroxytryptamine receptor 2B
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
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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.
Emtricitabine is identified by CAS 143491-57-0, with molecular formula C8H10FN3O3S, molecular weight 247.25, InChIKey XQSPYNMVSIKCOC-NTSWFWBYSA-N.
ChEMBL contains qualifying experimental assay evidence associated with Alpha-1A adrenergic receptor, Multidrug and toxin extrusion protein 1, Multidrug and toxin extrusion protein 2, 5-hydroxytryptamine receptor 2A, 5-hydroxytryptamine receptor 2B. 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.
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