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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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  • 65-71-4

  • bosschemical

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

通用 固体


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