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CAS RN: 170787-99-2 | Product Number: E1356
Efaproxiral Sodium
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Purity: >98.0%(T)(HPLC)
Synonyms:
- RSR 13 Sodium
- Sodium 2-[4-[2-[(3,5-Dimethylphenyl)amino]-2-oxoethyl]phenoxy]-2-methylpropanoate
- 2-[4-[2-[(3,5-Dimethylphenyl)amino]-2-oxoethyl]phenoxy]-2-methylpropanoic Acid Sodium Salt
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
Shipping Information
|
|---|---|---|---|---|---|
| 250MG |
€98.00
|
1 | 20 |
|
* Stock available in Belgium: Shipment on the same day
* Stock available in Japan: Please check the Shipping Simulation for estimated shipments. (excludes regulated items and dry ice shipments)
| Product Number | E1356 |
Purity / Analysis Method 
|
>98.0%(T)(HPLC) |
| Molecular Formula / Molecular Weight | C__2__0H__2__2NNaO__4 = 363.39 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Frozen (-20°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Hygroscopic,Heat Sensitive |
| CAS RN | 170787-99-2 |
| Reaxys Registry Number | 8959239 |
| PubChem Substance ID | 468591726 |
| MDL Number | MFCD02093864 |
Specifications
| Appearance | White to Almost white powder to lump |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Nonaqueous Titration) | min. 98.0 %(calcd.on anh.substance) |
| Melting point | 240.0 to 244.0 °C |
| Water | max. 13.0 % |
| NMR | confirm to structure |
Properties (reference)
GHS
Related Laws:
Transport Information:
| HS Number | 2924297099 |
Application
Efaproxiral Sodium: Developed as an Allosteric Modifier of Hemoglobin and a Radiation Sensitizer
Efaproxiral sodium (RSR 13 sodium), an analogue of the antilipemic agent bezafibrate [B3346], was developed as an allosteric modifier of hemoglobin1,2) and a radiation sensitizer.3) In the 2000s, efaproxiral sodium was tested in a clinical trial to increase the efficacy of certain chemotherapy agents which have reduced efficacy against hypoxic tumors, and can thus be made more effective by increased offloading of oxygen from hemoglobin-bound oxygen into the tumor tissues.4) But the clinical trial was dropped out in Phase III trials. In 2009, Efaproxiral was added to the World Anti-Doping Agency (WADA) list of Prohibited Substances as an artificially enhancer of the uptake, transport or delivery of oxygen.5) (The product is for research purpose only.)
References
- 1) Allosteric modifiers of hemoglobin. 1. Design, synthesis, testing, and structure-allosteric activity relationship of novel hemoglobin oxygen affinity decreasing agents
- 2) Allosteric modifiers of hemoglobin: 2-[4-[[(3,5-disubstituted anilino)carbonyl]methyl]phenoxy]-2-methylpropionic acid derivatives that lower the oxygen affinity of hemoglobin in red cell suspensions, in whole blood, and in vivo in rats
- 3) Radiation sensitization with redox modulators: a promising approach (a review)
- 4) Effects of RSR13 and oxygen on the cytotoxicity of cisplatin and carboplatin to EMT6 mouse mammary tumor cells in vitro and in vivo
- 5) Preventive doping control screening analysis of prohibited substances in human urine using rapid-resolution liquid chromatography/high-resolution time-of-flight mass spectrometry
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