4-THIOURACIL
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- $15 - $2150
- Product name: 4-THIOURACIL
- CAS: 591-28-6
- MF: C4H4N2OS
- MW: 128.15
- EINECS:
- MDL Number:MFCD00090842
- Synonyms:4-Thiouracil97%;4-Thiouracil 97%;2(1H)-Pyrimidinone, 3,4-dihydro-4-thioxo- (9CI);4-Thiouracil ,98%;4-Thioxo-1H-pyrimidin-2-one;2-HYDROXY-4-MERCAPTOPYRIMIDINE / 4-THIOURACIL;4-thiouracyl;4-sulfanylidene-1,2,3,4-tetrahydropyriMidin-2-one
38 prices
Selected condition：
Brand
- aablocks
- ACHEMBLOCK
- AHH
- AK Scientific
- American Custom Chemicals Corporation
- Arctom
- Biosynth
- Cayman Chemical
- Chemenu
- Chem-Impex
- ChemScene
- Crysdot
- Sigma-Aldrich
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
Package
- 250mg
- 500mg
- 1g
- 2g
- 5g
- 10g
- 25G
- 100g
- 1 g
- Manufactureraablocks
- Product numberAA00342S
- Product description4-Thiouracil 98%
- Packaging250mg
- Price$15
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA00342S
- Product description4-Thiouracil 98%
- Packaging1g
- Price$38
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA00342S
- Product description4-Thiouracil 98%
- Packaging5g
- Price$95
- Updated2026-05-28
- Buy
- ManufacturerACHEMBLOCK
- Product numberX195335
- Product description4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 97.00%
- Packaging5G
- Price$130
- Updated2026-05-27
- Buy
- ManufacturerACHEMBLOCK
- Product numberX195335
- Product description4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 97.00%
- Packaging25G
- Price$495
- Updated2026-05-27
- Buy
- ManufacturerAHH
- Product numberMT-43099
- Product description4-Thiouracil 97%
- Packaging100g
- Price$430
- Updated2026-05-26
- Buy
- ManufacturerAK Scientific
- Product numberZ2909
- Product description4-Thiouracyl
- Packaging1g
- Price$316
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberNUC0000338
- Product description4-THIOURACIL 95.00%
- Packaging250MG
- Price$421.25
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberNUC0000338
- Product description4-THIOURACIL 95.00%
- Packaging1G
- Price$485
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberBD-A609629
- Product description4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 98%
- Packaging250mg
- Price$15
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberBD-A609629
- Product description4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 98%
- Packaging1g
- Price$39
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberBD-A609629
- Product description4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 98%
- Packaging25g
- Price$425
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberBD-A609629
- Product description4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 98%
- Packaging5g
- Price$97
- Updated2026-05-26
- Buy
- ManufacturerBiosynth
- Product numberFT02605
- Product description4-Thiouracil
- Packaging1g
- Price$162.25
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFT02605
- Product description4-Thiouracil
- Packaging2g
- Price$233.64
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFT02605
- Product description4-Thiouracil
- Packaging10g
- Price$713.9
- Updated2026-06-04
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00342S | 4-Thiouracil 98% | 250mg | $15 | 2026-05-28 | Buy |
| aablocks | AA00342S | 4-Thiouracil 98% | 1g | $38 | 2026-05-28 | Buy |
| aablocks | AA00342S | 4-Thiouracil 98% | 5g | $95 | 2026-05-28 | Buy |
| ACHEMBLOCK | X195335 | 4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 97.00% | 5G | $130 | 2026-05-27 | Buy |
| ACHEMBLOCK | X195335 | 4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 97.00% | 25G | $495 | 2026-05-27 | Buy |
| AHH | MT-43099 | 4-Thiouracil 97% | 100g | $430 | 2026-05-26 | Buy |
| AK Scientific | Z2909 | 4-Thiouracyl | 1g | $316 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | NUC0000338 | 4-THIOURACIL 95.00% | 250MG | $421.25 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | NUC0000338 | 4-THIOURACIL 95.00% | 1G | $485 | 2021-12-16 | Buy |
| Arctom | BD-A609629 | 4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 98% | 250mg | $15 | 2026-05-26 | Buy |
| Arctom | BD-A609629 | 4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 98% | 1g | $39 | 2026-05-26 | Buy |
| Arctom | BD-A609629 | 4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 98% | 25g | $425 | 2026-05-26 | Buy |
| Arctom | BD-A609629 | 4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 98% | 5g | $97 | 2026-05-26 | Buy |
| Biosynth | FT02605 | 4-Thiouracil | 1g | $162.25 | 2026-06-04 | Buy |
| Biosynth | FT02605 | 4-Thiouracil | 2g | $233.64 | 2026-06-04 | Buy |
| Biosynth | FT02605 | 4-Thiouracil | 10g | $713.9 | 2026-06-04 | Buy |
Properties
Melting point :295 °C (dec.) (lit.)
Density :1.368 (estimate)
refractive index :1.7000 (estimate)
storage temp. :Store at -20°C
solubility :1 M NaOH: soluble50mg/mL
form :Powder
pka :5.38±0.20(Predicted)
color :Yellow
InChI :InChI=1S/C4H4N2OS/c7-4-5-2-1-3(8)6-4/h1-2H,(H2,5,6,7,8)
InChIKey :OVONXEQGWXGFJD-UHFFFAOYSA-N
SMILES :C1(=O)NC=CC(=S)N1
CAS DataBase Reference :591-28-6(CAS DataBase Reference)
Density :1.368 (estimate)
refractive index :1.7000 (estimate)
storage temp. :Store at -20°C
solubility :1 M NaOH: soluble50mg/mL
form :Powder
pka :5.38±0.20(Predicted)
color :Yellow
InChI :InChI=1S/C4H4N2OS/c7-4-5-2-1-3(8)6-4/h1-2H,(H2,5,6,7,8)
InChIKey :OVONXEQGWXGFJD-UHFFFAOYSA-N
SMILES :C1(=O)NC=CC(=S)N1
CAS DataBase Reference :591-28-6(CAS DataBase Reference)
Safety Information
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| Signal word: | Warning | ||||||||||
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Description
4-Thiouracil is a site-specific, photoactivatable probe used to detect RNA structures and nucleic acid-nucleic acid contacts. It absorbs ultraviolet light >300 nm and, in the presence of oxygen, acts as an energy donor to produce singlet oxygen by triplet-triplet energy transfer. The highly reactive oxygen species then reacts readily with 4-thiouracil, leading to the production of uracil and uracil-6-sulfonate, which is fluorescent at a wavelength of ~390 nm. 4-Thiouracil is used as a T. gondii uracil phosphoribosyltransferase substrate to produce 4-thiouridine monophosphate, which can ultimately be incorporated into RNA.Related product price
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