CAS 636-26-0: 5-methyl-2-thiouracil

Description: 5-Methyl-2-thiouracil is a sulfur-containing derivative of uracil, classified as a pyrimidine nucleobase. It features a methyl group at the 5-position and a thiol group at the 2-position of the uracil ring, which contributes to its unique chemical properties. This compound is typically a white to off-white crystalline solid, and it is soluble in polar solvents such as water and alcohols. 5-Methyl-2-thiouracil is known for its role in biochemical processes, particularly in the inhibition of certain enzymes involved in nucleic acid synthesis, making it of interest in medicinal chemistry and pharmacology. Its structural modifications compared to uracil can affect its biological activity and interactions with nucleic acids. Additionally, it has been studied for its potential applications in cancer treatment and as an antiviral agent. Safety data indicates that, like many chemical substances, it should be handled with care, following appropriate safety protocols to mitigate any health risks associated with exposure.

Formula: C₅H₆N₂OS

InChI: InChI=1S/C5H6N2OS/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9)

InChI key: InChIKey=ZLAQATDNGLKIEV-UHFFFAOYSA-N

SMILES: O=C1NC(=S)NC=C1C

Synonyms:

• 2,3-Dihydro-5-methyl-2-thioxo-4(1H)-pyrimidinone
• 2-Thiothymine
• 4(1H)-Pyrimidinone, 2,3-dihydro-5-methyl-2-thioxo-
• 4-Hydroxy-2-mercapto-5-methylpyrimidine
• 4-Hydroxy-5-methyl-2-mercaptopyrimidine
• 4-Hydroxy-5-methylpyrimidine-2-thione
• 5-Methyl-2-thioxo-2,3-dihydro-1H-pyrimidin-4-one
• 5-methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• NSC 314272
• NSC 9377
• Thiothymine
• Thymine, 2-thio-

5-Methyl-2-thiouracil

CAS: 636-26-0

• Formula: C₅H₆N₂OS
• Purity: >98.0%(T)(HPLC)
• Color and Shape: White to Almost white powder to crystal
• Molecular weight: 142.18

4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo-

CAS: 636-26-0

• Formula: C₅H₆N₂OS
• Purity: 95%
• Color and Shape: Solid
• Molecular weight: 142.1789

5-Methyl-2-thiouracil

CAS: 636-26-0

• Formula: C₅H₆N₂OS
• Purity: 98+%
• Color and Shape: white solid
• Molecular weight: 142.18g/mol

4-Hydroxy-5-methyl-2-mercaptopyrimidine

CAS: 636-26-0

• Purity: 98.0%
• Color and Shape: Solid
• Molecular weight: 142.17999267578125

2-Thiothymine

CAS: 636-26-0

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• Formula: C₅H₆N₂OS
• Purity: Min. 95%
• Color and Shape: Off-White Powder
• Molecular weight: 142.18 g/mol