Dihydrothymine

Modify Date: 2025-12-09 08:34:20

Dihydrothymine Structure
Dihydrothymine structure
Common Name Dihydrothymine
CAS Number 696-04-8 Molecular Weight 128.12900
Density 1.149 g/cm3 Boiling Point N/A
Molecular Formula C5H8N2O2 Melting Point 263-265°C
MSDS N/A Flash Point N/A

 Use of Dihydrothymine


5,6-Dihydro-5-methyluracil (Dihydrothymine), an intermediate breakdown product of thymine, comes from animal or plants. 5,6-Dihydro-5-methyluracil (Dihydrothymine) can be toxic when present at abnormally high levels[1].

 Names

Name 5,6-dihydrothymine
Synonym More Synonyms

 Dihydrothymine Biological Activity

Description 5,6-Dihydro-5-methyluracil (Dihydrothymine), an intermediate breakdown product of thymine, comes from animal or plants. 5,6-Dihydro-5-methyluracil (Dihydrothymine) can be toxic when present at abnormally high levels[1].
Related Catalog
Target

Human Endogenous Metabolite

References

[1]. Yamane T, et al. Dihydrothymine from UV-irradiated DNA. Proc Natl Acad Sci U S A. 1967 Aug;58(2):439-42.

 Chemical & Physical Properties

Density 1.149 g/cm3
Melting Point 263-265°C
Molecular Formula C5H8N2O2
Molecular Weight 128.12900
Exact Mass 128.05900
PSA 58.20000
LogP 0.11950
Index of Refraction 1.452
InChIKey NBAKTGXDIBVZOO-UHFFFAOYSA-N
SMILES CC1CNC(=O)NC1=O
Storage condition ?20°C

 Safety Information

Safety Phrases S22-S24/25
HS Code 2933599090

 Customs

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%

 Synonyms

5,6-Dihydrothymine
5-Methyl-dihydro-pyrimidin-2,4-dion
5,6-Dihydro-5-methyl-2,4-dioxypyrimidine
Hydrouracil,5-methyl
5-methyl-hydrouracil
5-Methyl-5,6-dihydrouracil
5,6-Dihydro-5-methyluracil
Dihydrothymine
5-methyl-1,3-diazinane-2,4-dione
5-methyl-dihydro-pyrimidine-2,4-dione
EINECS 211-787-7
MFCD00023159
5-methyl-dihydrouracil
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