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

4-Hydroxy-5-methyl-2-mercaptopyrimidine

4-Hydroxy-5-methyl-2-mercaptopyrimidine price.
  • $12 - $2574.67
  • Product name: 4-Hydroxy-5-methyl-2-mercaptopyrimidine
  • CAS: 636-26-0
  • MF: C5H6N2OS
  • MW: 142.18
  • EINECS:
  • MDL Number:MFCD00009777
  • Synonyms: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;2,3-dihydro-5-methyl-2-thioxo-4(1h)-pyrimidinon ;2,3-dihydro-5-methyl-2-thioxo-4(1h)-pyrimidinone ;2-thio-thymin
Price37 Properties Safety Information Description
37 prices
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Brand
  • aablocks
  • Activate Scientific
  • AK Scientific
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Biosynth
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • TCI Chemical
  • TRC
  • Usbiological
Package
  • 100mg
  • 250mg
  • 1g
  • 2g
  • 5g
  • 10G
  • 25g
  • 50G
  • 100g
  • 500g
  • 1000g
  • Manufactureraablocks
  • Product numberAA003LFN
  • Product description4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- ≥98%
  • Packaging1g
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003LFN
  • Product description4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- 95%
  • Packaging5g
  • Price$18
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003LFN
  • Product description4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- 95%
  • Packaging25g
  • Price$42
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003LFN
  • Product description4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- 95%
  • Packaging100g
  • Price$140
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003LFN
  • Product description4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- 95%
  • Packaging500g
  • Price$540
  • Updated2026-05-28
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS41219
  • Product description4-Hydroxy-5-methyl-2-mercaptopyrimidine 95%
  • Packaging25g
  • Price$60
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS41219
  • Product description4-Hydroxy-5-methyl-2-mercaptopyrimidine 95%
  • Packaging5g
  • Price$21
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS41219
  • Product description4-Hydroxy-5-methyl-2-mercaptopyrimidine 95%
  • Packaging100g
  • Price$213
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ94379
  • Product description5-Methyl-2-thiouracil 95%
  • Packaging25g
  • Price$51
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ94379
  • Product description5-Methyl-2-thiouracil 95%
  • Packaging1g
  • Price$12
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberH504
  • Product description5-Methyl-2-thiouracil 98%(HPLC)
  • Packaging1g
  • Price$16
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ94379
  • Product description5-Methyl-2-thiouracil 95%
  • Packaging5g
  • Price$22
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberH504
  • Product description5-Methyl-2-thiouracil 98%(HPLC)
  • Packaging5g
  • Price$30
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberH504
  • Product description5-Methyl-2-thiouracil 98%(HPLC)
  • Packaging25g
  • Price$70
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberH504
  • Product description5-Methyl-2-thiouracil 98%(HPLC)
  • Packaging100g
  • Price$247
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ94379
  • Product description5-Methyl-2-thiouracil 95%
  • Packaging100g
  • Price$180
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003LFN 4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- ≥98% 1g $12 2026-05-28 Buy
aablocks AA003LFN 4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- 95% 5g $18 2026-05-28 Buy
aablocks AA003LFN 4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- 95% 25g $42 2026-05-28 Buy
aablocks AA003LFN 4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- 95% 100g $140 2026-05-28 Buy
aablocks AA003LFN 4(1H)-Pyrimidinone,2,3-dihydro-5-methyl-2-thioxo- 95% 500g $540 2026-05-28 Buy
Activate Scientific AS41219 4-Hydroxy-5-methyl-2-mercaptopyrimidine 95% 25g $60 2026-06-04 Buy
Activate Scientific AS41219 4-Hydroxy-5-methyl-2-mercaptopyrimidine 95% 5g $21 2026-06-04 Buy
Activate Scientific AS41219 4-Hydroxy-5-methyl-2-mercaptopyrimidine 95% 100g $213 2026-06-04 Buy
AK Scientific J94379 5-Methyl-2-thiouracil 95% 25g $51 2026-06-04 Buy
AK Scientific J94379 5-Methyl-2-thiouracil 95% 1g $12 2026-06-04 Buy
AK Scientific H504 5-Methyl-2-thiouracil 98%(HPLC) 1g $16 2026-06-04 Buy
AK Scientific J94379 5-Methyl-2-thiouracil 95% 5g $22 2026-06-04 Buy
AK Scientific H504 5-Methyl-2-thiouracil 98%(HPLC) 5g $30 2026-06-04 Buy
AK Scientific H504 5-Methyl-2-thiouracil 98%(HPLC) 25g $70 2026-06-04 Buy
AK Scientific H504 5-Methyl-2-thiouracil 98%(HPLC) 100g $247 2026-06-04 Buy
AK Scientific J94379 5-Methyl-2-thiouracil 95% 100g $180 2026-06-04 Buy
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Properties

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)
form :powder to crystal
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.
InChI :InChI=1S/C5H6N2OS/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9)
InChIKey :ZLAQATDNGLKIEV-UHFFFAOYSA-N
SMILES :C1(=S)NC=C(C)C(=O)N1
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)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

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Suppliers and manufacturers

Nanjing ShengSai Chemical Co., Ltd. Suzhou Tianhong Medicine Chemical Technology Co.,Ltd. J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar TAIYUAN RHF CO.,LTD. TCI (Shanghai) Development Co., Ltd. Energy Chemical Shijiazhuang Sdyano Fine Chemical Co., Ltd. Beijing Ouhe Technology Co., Ltd