A pyrimidine base
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Labeled Version(s)
41172Thymine-13C5,15N2 36329Thymine-d4
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Thymine

Item No. 38749

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
5-methyl-2,4(1H,3H)-pyrimidinedione
CAS Number
65-71-4
Synonyms
  • 5-Methyluracil
  • NSC 14705
  • NSC 168663
Molecular Formula
C5H6N2O2
Formula Weight
126.1
Purity
≥98%
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
DMF: 20 mg/mlDMSO: 20 mg/mlEthanol: 2 mg/mlPBS (pH 7.2): Slightly
λmax
210, 264 nm
SMILES
O=C1NC=C(C)C(N1)=O
InChi Code
InChI=1S/C5H6N2O2/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9)
InChi Key
RWQNBRDOKXIBIV-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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Certificates of Analysis & Batch Specific Data

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    5 g

    $29

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    10 g

    $54

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    50 g

    $141

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    100 g

    $197

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    Product Description

    Thymine is a pyrimidine base.1 It forms complementary base pairs with the purine adenine (Item No. 18148) in DNA.1 Thymine is produced by the catabolism of thymidine (Item No. 20519) via thymidine phosphorylase.2 It is replaced with uracil (Item No. 26088) in RNA.3

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Ghannam, J.Y., Wang, J., and Jan, A. Biochemistry, DNA Structure. 1-5 (2021).

    2. Brown, N.S., and Bicknell, R. Thymidine phosphorylase, 2-deoxy-D-ribose and angiogenesis. Biochem. J. 334(Pt 1), 1-8 (1998).

    3. Banoub, J.H., Newton, R.P., Esmans, E., et al. Recent developments in mass spectrometry for the characterization of nucleosides, nucleotides, oligonucleotides, and nucleic acids. Chem. Rev. 105(5), 1869-1915 (2005).