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CAS RN: 2207-75-2 | Product Number: O0164
Potassium Oxonate
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Purity: >98.0%(T)(HPLC)
Synonyms:
- Allantoxanic Acid Potassium Salt
- Oxonic Acid Potassium Salt
- Potassium Allantoxanate
- Potassium 4,6-Dihydroxy-1,3,5-triazine-2-carboxylate
Product Documents:
| Size | Unit Price | Same Day | 2-3 Business Days | Other Lead Time |
Shipping Information
|
|---|---|---|---|---|---|
| 5G |
$51.00
|
5 | 10 | Contact Us | |
| 25G |
$156.00
|
5 | ≥100 | Contact Us |
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| Product Number | O0164 |
Purity / Analysis Method 
|
>98.0%(T)(HPLC) |
| Molecular Formula / Molecular Weight | C__4H__2KN__3O__4 = 195.18 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 2207-75-2 |
| Related CAS RN
|
937-13-3 |
| Reaxys Registry Number | 4049961 |
| PubChem Substance ID | 87574167 |
| MDL Number | MFCD00010565 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Nonaqueous Titration) | min. 98.0 % |
Properties (reference)
| Melting Point | 300 °C |
GHS
Related Laws:
| RTECS# | RR4580000 |
Transport Information:
| H.S.code* | 2933.69-000 |
Application
Potassium Oxonate: An Inhibitor of Orotate Phosphoribosyltransferase (OPRT)
Potassium oxonate is an inhibitor of orotate phosphoribosyltransferase (OPRT) that is an enzyme involved in the biosynthesis of pyrimidine nucleotides and catalyzes the phosphorylation of 5-FU [F0151] to an active metabolite 5-fluorouridine-5'-monophosphate (FUMP). The gastrointestinal toxicity (GIT) of the oral administration of 5-FU is also caused by the phosphorylation by OPRT in the gut wall. Potassium oxonate selectively and competitively inhibits OPRT. As a result, 5-FU associated gastrointestinal toxic effects are reduced. Potassium oxonate is often used as combined agents to enhance the antitumor activity of fluoropyrimidines, such as S-1 (tegafur [F0635] a prodrug of 5-FU, gimeracil [C2243] and potassium oxonate at a molar ratio of 1:0.4:1). (The product is for research purpose only.)
References
- Development of a novel form of an oral 5-fluorouracil derivative (S-1) directed to the potentiation of the tumor selective cytotoxicity of 5-fluorouracil by two biochemical modulators
- Antitumor activity of 1 M tegafur-0.4 M 5-chloro-2,4-dihydroxypyridine-1 M potassium oxonate (S-1) against human colon carcinoma orthotopically implanted into nude rats
- Tissue distribution and biotransformation of potassium oxonate after oral administration of a novel antitumor agent (drug combination of tegafur, 5-chloro-2,4-dihydroxypyridine, and potassium oxonate) to rats
- Reduction of 5-fluorouracil (5-FU) gastrointestinal (GI) toxicity resulting from the protection of thymidylate synthase (TS) in GI tissue by repeated simultaneous administration of potassium oxonate (Oxo) in rats
- Potassium oxonate, an enzyme inhibitor compounded in S-1, reduces the suppression of antitumor immunity induced by 5-fluorouracil
Application
Reagent for hyperuricemia (gout) model
References
- Hypouricemic effect of the novel xanthine oxidase inhibitor, TEI-6720, in rodents
- Hyperuricemia induced by some antihypertensives and uricosuric drugs in oxonate-treated rats
- Y. Yonetani, M. Ishii, K. Iwaki, Jpn. J. Pharmacol. 1980, 30, 829.
- Use of the uricase-inhibited rat as an animal model in toxicology
- Beneficial effect of rutin on oxonate-induced hyperuricemia and renal dysfunction in mice
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