Trifluorothymine

Modify Date: 2026-06-30 20:24:38

Trifluorothymine Structure
Trifluorothymine structure
Common Name Trifluorothymine
CAS Number 54-20-6 Molecular Weight 180.085
Density 1.6±0.1 g/cm3 Boiling Point 350ºC
Molecular Formula C5H3F3N2O2 Melting Point 245-246 °C(lit.)
MSDS Chinese USA Flash Point N/A
Symbol GHS06
GHS06
Signal Word Danger

Summary: Trifluorothymine, Chinese name 5-三氟甲基尿嘧啶, with molecular formula C5H3F3N2O2 and molecular weight 180.085. It is a white to pale yellow crystalline powder with a melting point of 245-246 °C. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Trifluorothymine
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.6±0.1 g/cm3
Boiling Point 350ºC
Melting Point 245-246 °C(lit.)
Molecular Formula C5H3F3N2O2
Molecular Weight 180.085
Exact Mass 180.014664
PSA 65.72000
LogP 0.04
Index of Refraction 1.428
InChIKey LMNPKIOZMGYQIU-UHFFFAOYSA-N
SMILES O=c1[nH]cc(C(F)(F)F)c(=O)[nH]1
Storage condition −20°C
Water Solubility INSOLUBLE

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YR1750000
CHEMICAL NAME :
Uracil, 5-(trifluoromethyl)-
CAS REGISTRY NUMBER :
54-20-6
LAST UPDATED :
199709
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C5-H3-F3-N2-O2
MOLECULAR WEIGHT :
180.10
WISWESSER LINE NOTATION :
T6MVMVJ EXFFF

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Tumorigenic - active as anti-cancer agent
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 24,1979,1964

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H301-H315-H319-H335
Precautionary Statements P261-P301 + P310-P305 + P351 + P338
Hazard Codes Xi
Risk Phrases R22
Safety Phrases S24/25
RIDADR 2811.0
WGK Germany 3
RTECS YR1750000
HS Code 2933599090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933599090
Summary 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles3

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Molecular structure and effects of intermolecular hydrogen bonding on the vibrational spectrum of trifluorothymine, an antitumor and antiviral agent.

J. Mol. Model. 18(9) , 4453-64, (2012)

In the present work, the experimental and the theoretical vibrational spectra of trifluorothymine were investigated. The FT-IR (400-4000 cm(-1)) and μ-Raman spectra (100-4000 cm(-1)) of trifluorothymi...

Quantitative 19F NMR study of trifluorothymidine metabolism in rat brain.

NMR Biomed. 12(6) , 373-80, (1999)

Metabolism of trifluorothymidine (TFT) and its transport across the blood-brain barrier (BBB) has been measured quantitatively in rats by fluorine-19 nuclear magnetic resonance spectroscopy ((19)F NMR...

Synthesis and in vitro activity of D- and L-enantiomers of 5-(trifluoromethyl)uracil nucleoside derivatives.

Nucleosides Nucleotides Nucleic Acids 20(4-7) , 1123-5, (2001)

Recently, beta-L-nucleoside analogues have emerged as a new class of sugar modified nucleosides with potential antiviral and/or antitumoral activity. As a part of our ongoing research on this topic, w...

 TrifluorothymineBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Activity of Vaccinia virus WR thymidine kinase assessed as ATP utilization by lucifer...
Source: ChEMBL
Target: Thymidine kinase
External Id: CHEMBL938331
Name: Ratio of Vmax to Km for Vaccinia virus WR thymidine kinase
Source: ChEMBL
Target: Thymidine kinase
External Id: CHEMBL938332
Name: Activity of human thymidine kinase 1 assessed as ATP utilization by luciferase-based ...
Source: ChEMBL
Target: N/A
External Id: CHEMBL938333
Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: Screen for inhibitors of RMI FANCM (MM2) intereaction
Source: 11908
Target: N/A
External Id: RMI-FANCM-MM2
Name: Chemical Probes of Kaposi's Sarcoma Herpes Virus Latent Infection
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: ORF 73 [Human herpesvirus 8 type M]
External Id: HMS791
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: Ratio of Vmax to Km for human thymidine kinase 1
Source: ChEMBL
Target: N/A
External Id: CHEMBL938334
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
Name: Inactivation of bovine liver DHPDHase assessed as Kinact in presence of NADPH
Source: ChEMBL
Target: Dihydropyrimidine dehydrogenase [NADP(+)]
External Id: CHEMBL4617528
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

5-(Trifluoromethyl)-2,4(1H,3H)-pyrimidinedione
5-(trifluoromethyl)-1H-pyrimidine-2,4-dione
MFCD00006024
EINECS 200-197-5
5-(trifluoromethyl)-1,2,3,4-tetrahydropyrimidine-2,4-dione
5-(Trifluoromethyl)uracil
5-(Trifluoromethyl)pyrimidine-2,4(1H,3H)-dione

 Trifluorothymine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: How is the water solubility of Trifluorothymine?
A: Water solubility of Trifluorothymine: INSOLUBLE.
Q: What is the molecular formula of Trifluorothymine?
A: Molecular formula of Trifluorothymine is C5H3F3N2O2.
Q: What are the upstream materials of Trifluorothymine?
A: Related upstream materials(CAS) of Trifluorothymine: 2314-97-8;66-22-8;2926-29-6;2145-56-4;116393-64-7;371-76-6;7057-43-4;57-13-6.
Q: What is the InChIKey of Trifluorothymine?
A: InChIKey of Trifluorothymine is LMNPKIOZMGYQIU-UHFFFAOYSA-N.
Q: What is the boiling point of Trifluorothymine?
A: Boiling point of Trifluorothymine is 350ºC.
Q: What is the SMILES notation of Trifluorothymine?
A: SMILES notation of Trifluorothymine is O=c1[nH]cc(C(F)(F)F)c(=O)[nH]1.
Q: What is the LogP of Trifluorothymine?
A: LogP of Trifluorothymine is 0.04.
Q: What is the polar surface area (PSA) of Trifluorothymine?
A: Polar surface area (PSA) of Trifluorothymine is 65.72000.
Q: What are the downstream products of Trifluorothymine?
A: Related downstream products(CAS) of Trifluorothymine: 105480-41-9;3932-97-6;70-00-8;65-71-4;66-22-8;25509-03-9;16317-75-2;7057-43-4;78097-09-3;939791-38-5.
Q: What is the English name of Trifluorothymine?
A: The English name of Trifluorothymine is Trifluorothymine.

 Trifluorothyminefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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