ChemicalBook > CAS DataBase List > 4-Hydroxy-5-methyl-2-mercaptopyrimidine

4-Hydroxy-5-methyl-2-mercaptopyrimidine

Product Name
4-Hydroxy-5-methyl-2-mercaptopyrimidine
CAS No.
636-26-0
Chemical Name
4-Hydroxy-5-methyl-2-mercaptopyrimidine
Synonyms
Nsc9377;Thiothymine;2-Thiothymine;2-thio-thymin;Thymine, 2-thio-;5-METHYL-2-THIOURACIL;Uracil, 5-methyl-2-thio-;5-Methyl-2-thiouracil>5-METHYL-2-THIOURACIL 98+%;2-Mercapto-5-MethylpyriMidin-4-ol
CBNumber
CB6108759
Molecular Formula
C5H6N2OS
Formula Weight
142.18
MOL File
636-26-0.mol
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4-Hydroxy-5-methyl-2-mercaptopyrimidine Property

Melting point:
283-286°C
Density 
1.36
refractive index 
1.6430 (estimate)
storage temp. 
Sealed in dry,Room Temperature
form 
powder to crystal
pka
pKa 7.71 (Uncertain)
color 
White to Almost white
Water Solubility 
509mg/L(25 ºC)
BRN 
120488
Stability:
Stable but may be heat or light sensitive. Incompatible with strong oxidizing agents.
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
5-Methyl-2-thiouracil (636-26-0)
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Safety

Hazard Codes 
Xi
Risk Statements 
22-40-36/37/38
Safety Statements 
22-36/37-26
RTECS 
XP2108500
HS Code 
2933599590
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TCI Chemical
Product number
M0994
Product name
5-Methyl-2-thiouracil
Purity
>98.0%(T)
Packaging
10g
Price
$222
Updated
2024/03/01
TCI Chemical
Product number
M0994
Product name
5-Methyl-2-thiouracil
Purity
>98.0%(T)
Packaging
25g
Price
$437
Updated
2024/03/01
Usbiological
Product number
289832
Product name
2-Thiothymine
Packaging
10g
Price
$651
Updated
2021/12/16
TRC
Product number
M257588
Product name
2-Mercapto-5-methylpyrimidin-4-ol
Packaging
100mg
Price
$45
Updated
2021/12/16
AK Scientific
Product number
H504
Product name
5-Methyl-2-thiouracil
Packaging
25g
Price
$71
Updated
2021/12/16
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4-Hydroxy-5-methyl-2-mercaptopyrimidine Chemical Properties,Usage,Production

Chemical Properties

white crystalline powder

General Description

White crystalline solid.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

4-Hydroxy-5-methyl-2-mercaptopyrimidine is heat sensitive and may be light sensitive.

Fire Hazard

Flash point data for 4-Hydroxy-5-methyl-2-mercaptopyrimidine are not available. 4-Hydroxy-5-methyl-2-mercaptopyrimidine is probably combustible.

4-Hydroxy-5-methyl-2-mercaptopyrimidine Preparation Products And Raw materials

Raw materials

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

Preparation Products

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4-Hydroxy-5-methyl-2-mercaptopyrimidine Suppliers

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View Lastest Price from 4-Hydroxy-5-methyl-2-mercaptopyrimidine manufacturers

Career Henan Chemical Co
Product
4-Hydroxy-5-methyl-2-mercaptopyrimidine 636-26-0
Price
US $6.68/KG
Min. Order
1KG
Purity
97%-99%
Supply Ability
1kg-1000kg
Release date
2020-01-10

636-26-0, 4-Hydroxy-5-methyl-2-mercaptopyrimidineRelated Search:

Bensulfuron methyl Sulfamerazine Methylparaben CHLOROPHOSPHONAZO III Methyl acrylate Thiophanate-methyl Mercaptoacetic acid Pirimiphos-methyl 4-Hydroxypyrimidine 3-Mercaptopropionic acid METHYL THIOPHENE-2-CARBOXYLATE Methyl acetate Kresoxim-methyl Calcium thioglycolate 2-Ethylhexyl mercaptoacetate Dihydromyrcenol Methyl 2-Mercaptoethanol

  • 2,3-dihydro-5-methyl-2-thioxo-4(1h)-pyrimidinon
  • 2-Mercapto-5-MethylpyriMidin-4-ol
  • 5-methyl-2-sulfanylidene-1H-pyrimidin-4-one
  • 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-
  • Nsc9377
  • 4-Hydroxy-2-mercapto-5-methylpyrimidine 4-Hydroxy-5-methyl-2-thiopyrimidine
  • 5-Methyl-2-thioxo-2,3-dihydropyriMidin-4(1H)-one
  • 5-METHYL-2-THIOURACIL
  • 5-METHYL-2-THIOXO-1,3,5,6-TETRAHYDROPYRIMIDIN-4-ONE
  • 4-HYDROXY-2-MERCAPTO-5-METHYLPYRIMIDINE
  • 4-HYDROXY-5-METHYL-2-THIOPYRIMIDINE
  • 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
  • 2,3-Dihydro-5-methyl-2-thioxopyrimidin-4(1H)-one
  • 2-Mercapto-4-hydroxy-5-methylpyrimidine
  • 5-Methyl-2-thiouracil&gt
  • 4-Hydroxy-5-methyl-2-mercaptopyrimidine ISO 9001：2015 REACH
  • 636-26-0
  • PYRIMIDINE
  • Pyridines, Pyrimidines, Purines and Pteredines