Dihydrothymine
Names

IUPAC name 5-methylhexahydropyrimidine-2,4-dione
Identifiers
CAS Number	696-04-8^Y
3D model (JSmol)	Interactive image
ChemSpider	132171^N
ECHA InfoCard	100.010.717
MeSH	5,6-dihydrothymine
PubChem CID	93556
UNII	Z51MHT1W75^Y
CompTox Dashboard (EPA)	DTXSID30862375
InChI InChI=1S/C5H8N2O2/c1-3-2-6-5(9)7-4(3)8/h3H,2H2,1H3,(H2,6,7,8,9)^N Key: NBAKTGXDIBVZOO-UHFFFAOYSA-N^N InChI=1/C5H8N2O2/c1-3-2-6-5(9)7-4(3)8/h3H,2H2,1H3,(H2,6,7,8,9) Key: NBAKTGXDIBVZOO-UHFFFAOYAR
SMILES CC1CNC(=O)NC1=O
Properties
Chemical formula	C₅H₈N₂O₂
Molar mass	128.12922
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references

Dihydrothymine is an intermediate in the metabolism of thymine.

Nucleotide metabolic intermediates

purine
metabolism

anabolism

R5P→IMP:	Ribose 5-phosphate (R5P) Phosphoribosyl pyrophosphate (PRPP) Phosphoribosylamine (PRA) Glycineamide ribonucleotide (GAR) Phosphoribosyl-N-formylglycineamide (FGAR) 5′-Phosphoribosylformylglycinamidine (FGAM) 5-Aminoimidazole ribotide (AIR) 5′-Phosphoribosyl-4-carboxy-5-aminoimidazole (CAIR) Phosphoribosylaminoimidazolesuccinocarboxamide (SAICAR) AICA ribonucleotide (AICAR) 5-Formamidoimidazole-4-carboxamide ribotide (FAICAR)
IMP→AMP:	Adenylosuccinate
IMP→GMP:	Xanthosine monophosphate

catabolism

pyrimidine
metabolism

anabolism

catabolism

uracil:	β-Alanine Dihydrouracil 3-Ureidopropionic acid
thymine:	3-Aminoisobutyric acid Dihydrothymine β-Ureidoisobutyric acid

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