Thymine CAS 65-71-4

Thymine, also known as 5-methyluracil, was first isolated from calf thymus, which gives it its name. It is the primary pyrimidine component in deoxyribonucleic acid (DNA). It connects with deoxyribose via a glycosidic bond to form deoxythymidine. Its triphosphate compound is deoxythymidine triphosphate (dTTP), which serves as the precursor for thymine in the biosynthesis of deoxyribonucleic acid.

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Model:
65-71-4
Brand:
bosschemical

Product Description

Thymine Basic information
Thymine Physiological function The Four DNA Bases Chemical properties Uses
Product Name:	Thymine
CAS:	65-71-4
MF:	C5H6N2O2
MW:	126.11
EINECS:	200-616-1
Mol File:	65-71-4.mol

Thymine Chemical Properties
Melting point	~320 °C (dec.) (lit.)
Boiling point	234.21°C (rough estimate)
density	1.3541 (rough estimate)
refractive index	1.5090 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	DMSO (Slightly), Methanol (Slightly, Heated)
form	Powder
pka	9.94(at 25℃)
color	White
biological source	synthetic (organic)
Water Solubility	Soluble in hot water. Slightly soluble in alcohol.
Decomposition	335 °C
Merck	149,398
BRN	607626
Stability:	Stable. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions	SKIN CONDITIONING
InChIKey	RWQNBRDOKXIBIV-UHFFFAOYSA-N
LogP	-0.62
CAS DataBase Reference	65-71-4(CAS DataBase Reference)
NIST Chemistry Reference	Thymine(65-71-4)
EPA Substance Registry System	Thymine (65-71-4)

检测项目 Testing items	标准参照 Standard Requirements	检验结果 Testing Result
色状 Color and appearance	白色或类白色粉末 White or off-white powder	具规定特征 Qualified
Purity	≥99%	99.45%
灼烧残渣 Scorch residue	≤0.2%	Qualified
干燥失重 Loss of weight on drying	≤0.3%	0.2%
水分 Moisture	≤0.5%	Qualified

Thymine CAS 65-71-4 C5H6N2O2

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Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis