ChemicalBook--->CAS DataBase List--->636-26-0

636-26-0

636-26-0 Structure

636-26-0 Structure
IdentificationMore
[Name]

4-Hydroxy-5-methyl-2-mercaptopyrimidine
[CAS]

636-26-0
[Synonyms]

4-HYDROXY-2-MERCAPTO-5-METHYLPYRIMIDINE
4-HYDROXY-5-METHYL-2-THIOPYRIMIDINE
5-METHYL-2-THIOURACIL
5-METHYL-2-THIOXO-1,3,5,6-TETRAHYDROPYRIMIDIN-4-ONE
2,3-dihydro-5-methyl-2-thioxo-4(1h)-pyrimidinon
2,3-dihydro-5-methyl-2-thioxo-4(1h)-pyrimidinone
2-thio-thymin
2-Thiothymine
5-Methyl-2-thioxo-2,3-dihydro-4(1H)-pyrimidinone
Thiothymine
Thymine, 2-thio-
Uracil, 5-methyl-2-thio-
4-Hydroxy-2-mercapto-5-methylpyrimidine~2-Thiothymine
4(1H)-Pyrimidinone, 2,3-dihydro-5-methyl-2-thioxo-(9CI)
5-METHYL-2-THIOURACIL 98+%
4(1H)-Pyrimidinone, 2,3-dihydro-5-methyl-2-thioxo-
4-Hydroxy-5-methyl-2-mercaptopyrimidine
4-Hydroxy-5-methylpyrimidine-2-thione
5-Methyl-2-thioxo-2,3-dihydro-1H-pyrimidin-4-one
1,2-Dihydro-2-thioxo-5-methylpyrimidine-4(3H)-one
[Molecular Formula]

C5H6N2OS
[MDL Number]

MFCD00009777
[Molecular Weight]

142.18
[MOL File]

636-26-0.mol
Chemical PropertiesBack Directory
[Appearance]

white crystalline powder
[Melting point ]

283-286°C
[density ]

1.36
[refractive index ]

1.6430 (estimate)
[storage temp. ]

Sealed in dry,Room Temperature
[pka]

pKa 7.71 (Uncertain)
[Stability:]

Stable but may be heat or light sensitive. Incompatible with strong oxidizing agents.
[Water Solubility ]

509mg/L(25 ºC)
[BRN ]

120488
[CAS DataBase Reference]

636-26-0(CAS DataBase Reference)
[NIST Chemistry Reference]

4(1H)-pyrimidinone, 2,3-dihydro-5-methyl-2-thioxo-(636-26-0)
[EPA Substance Registry System]

636-26-0(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R22:Harmful if swallowed.
R40:Limited evidence of a carcinogenic effect.
[Safety Statements ]

S22:Do not breathe dust .
S36/37:Wear suitable protective clothing and gloves .
[RTECS ]

XP2108500
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Hydrochloric acid-->Methanol-->Diethyl ether-->Acetic acid-->Sodium-->Toluene-->Sodium sulfate-->Acetone-->Sodium bicarbonate-->Triethyl orthoformate-->Thiourea-->ZINC-->Iodine-->Ethyl 2-bromopropionate
[Preparation Products]

Thymine-->Pyrimidine, 5-methyl-4-[(trimethylsilyl)oxy]-2-[(trimethylsilyl)thio]-
Hazard InformationBack Directory
[General Description]

White crystalline solid.
[Reactivity Profile]

5-METHYL-2-THIOURACIL(636-26-0) is heat sensitive and may be light sensitive.
[Air & Water Reactions]

Insoluble in water.
[Fire Hazard]

Flash point data for this compound are not available. 5-METHYL-2-THIOURACIL is probably combustible.
[Chemical Properties]

white crystalline powder
Spectrum DetailBack Directory
[Spectrum Detail]

4-Hydroxy-5-methyl-2-mercaptopyrimidine(636-26-0)MS
4-Hydroxy-5-methyl-2-mercaptopyrimidine(636-26-0)1HNMR
4-Hydroxy-5-methyl-2-mercaptopyrimidine(636-26-0)13CNMR
4-Hydroxy-5-methyl-2-mercaptopyrimidine(636-26-0)IR1
4-Hydroxy-5-methyl-2-mercaptopyrimidine(636-26-0)IR2
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

5-Methyl-2-thiouracil, 98%(636-26-0)
[Sigma Aldrich]

636-26-0(sigmaaldrich)
[TCI AMERICA]

5-Methyl-2-thiouracil,>98.0%(T)(636-26-0)
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