cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)- pyrimidinedione - ≥95% , CAS No.145986-11-4

CAS: 145986-11-4 Cat. No.: C345132 Molecular Weight: 248.23 EC Number: 875-647-2
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
DTXSID10932106 | 1-[(2R,5S)-2-(Hydroxymethyl-1,3-oxathiolan-5-yl]-5-fluoropyrimidine-2,4(1H,3H)-dione | MFCD23160276 | UNII-7D832RLM83 | Emtricitabine 5-fluorouracil | 7D832RLM83 | (2S-cis)-5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyr
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
C345132-1mg
3
$344.90
5mg
C345132-5mg
2
$1,297.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads 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.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)- pyrimidinedione is used as an antiviral nucleoside analog.

Specifications

Synonyms
DTXSID10932106 | 1-[(2R, 5S)-2-(Hydroxymethyl-1, 3-oxathiolan-5-yl]-5-fluoropyrimidine-2, 4(1H, 3H)-dione | MFCD23160276 | UNII-7D832RLM83 | Emtricitabine 5-fluorouracil | 7D832RLM83 | (2S-cis)-5-Fluoro-1-[2-(hydroxymethyl)-1, 3-oxathiolan-5-yl]-2, 4(1H, 3H)-pyr
Specifications & Purity
≥95%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesC1C(OC(S1)CO)N2C=C(C(=O)NC2=O)F
IUPAC Name5-fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidine-2,4-dione
InChIKeyKOGYOPLNKQJQFM-NTSWFWBYSA-N
INCHI1S/C8H9FN2O4S/c9-4-1-11(8(14)10-7(4)13)5-3-16-6(2-12)15-5/h1,5-6,12H,2-3H2,(H,10,13,14)/t5-,6+/m0/s1
Isomeric SMILES C1[C@H](O[C@H](S1)CO)N2C=C(C(=O)NC2=O)F
Molecular Weight 248.23
Reaxy-Rn 25641269
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=25641269&ln=

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassNucleosides, nucleotides, and analogues
ClassNucleoside and nucleotide analogues
Subclass3'-thia pyrimidine nucleosides
Intermediate Tree Nodes Not available
Direct Parent3'-thia pyrimidine nucleosides
Alternative Parents Pyrimidones  Halopyrimidines  Aryl fluorides  Hydropyrimidines  Vinylogous amides  Oxathiolanes  Heteroaromatic compounds  Monothioacetals  Ureas  Lactams  Oxacyclic compounds  Azacyclic compounds  Organic oxides  Hydrocarbon derivatives  Organofluorides  Organonitrogen compounds  Organopnictogen compounds  Primary alcohols  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents 3'-thia pyrimidine nucleoside - Halopyrimidine - Pyrimidone - Aryl fluoride - Aryl halide - Hydropyrimidine - Pyrimidine - Monothioacetal - Oxathiolane - Heteroaromatic compound - Vinylogous amide - Urea - Lactam - Azacycle - Organoheterocyclic compound - Oxacycle - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Organofluoride - Organohalogen compound - Alcohol - Organic oxide - Organopnictogen compound - Primary alcohol - Organic oxygen compound - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 3'-thia pyrimidine nucleosides. These are nucleoside analogues with a structure that consists of a pyrimidine base, which is N-substituted at the 1-position with a 3'-thia derivative (1,3-oxazolidine) of the ribose moiety that is characteristic of nucleosides.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(non-human)
Human immunodeficiency virus 1 (70413 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

2 results found

Lot NumberCertificate TypeDateItem
G2208287Certificate of AnalysisApr 07, 2025 C345132
G2208288Certificate of AnalysisApr 07, 2025 C345132
Chemical and Physical Properties
SensitivityHygroscopic
Melt Point(°C)192-194°C
Molecular Weight248.230 g/mol
XLogP3-0.600
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count2
Exact Mass248.027 Da
Monoisotopic Mass248.027 Da
Topological Polar Surface Area104.000 Ų
Heavy Atom Count16
Formal Charge0
Complexity362.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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