Overview
Suramin is a century-old therapeutic agent first synthesized by Bayer in 1916. It belongs to the class of trypanocidal drugs and remains a frontline treatment for early-stage African trypanosomiasis caused by Trypanosoma brucei rhodesiense. Beyond its antiparasitic use, suramin has gained attention in biomedical research for its broad-spectrum inhibitory effects on growth factors and viral replication enzymes. Chemically, it is characterized by its symmetrical structure with six sulfonate groups, contributing to its high water solubility and poor membrane permeability. This property dictates its administration route (intravenous) and limits its use against central nervous system infections.
Physical and Chemical Properties
As a polysulfonated compound, suramin exhibits strong polyanionic characteristics at physiological pH. Its large molecular size (MW 1429) prevents efficient cellular uptake, a factor influencing both its therapeutic effects and toxicity profile. The powder is hygroscopic, requiring careful storage to maintain stability. The compound demonstrates remarkable thermal stability with decomposition only above 200°C. In solution, it forms colloidal aggregates at higher concentrations. Analytical characterization typically involves HPLC-UV methods due to the lack of chromophores suitable for direct spectrophotometric detection.
Main Applications
In clinical medicine, suramin's primary application is the treatment of first-stage African sleeping sickness, where it clears bloodstream trypanosomes before CNS invasion. Off-label uses include onchocerciasis and pemphigus vulgaris management. Research applications exploit suramin's ability to inhibit purinergic signaling (P2 receptors) and various enzymes including reverse transcriptase (HIV), DNA polymerases (cancer research), and SARS-CoV-2 RNA-dependent RNA polymerase in vitro. Ongoing clinical trials investigate its potential in autism spectrum disorders and advanced cancers.
Safety and Storage
Suramin requires cautious handling due to potential adrenal toxicity and rare but severe hypersensitivity reactions. Occupational exposure limits are not established, but standard PPE (gloves, goggles) is recommended during powder handling. For long-term storage, lyophilized powder should be kept in sealed containers with desiccants at 2-8°C. Solutions are stable for 24 hours at room temperature but should be protected from light. Degradation products may form upon prolonged exposure to heat or acidic/basic conditions.
B2B Procurement Guide
Pharmaceutical-grade suramin must meet stringent compendial standards (e.g., USP, EP) for human use, while research-grade material (typically 98-99% purity) suffices for laboratory applications. Key procurement considerations include: 1. Documentation: Request certificates of analysis (CoA) with HPLC purity data and residual solvent profiles 2. Packaging: Prefer nitrogen-flushed amber vials for bulk purchases 3. Lead Time: Allow 4-8 weeks for GMP-grade material due to limited manufacturing sites 4. Regulatory: Ensure proper import permits for scheduled substances
Related Manufacturers
- 主营：对照品、标准品、当归酸酐、苏拉明钠、佛手柑内酯、新当归内酯、补骨脂甲素、补骨脂乙素、羟基芍药苷、阿魏酸松柏酯、水合氧化前胡素、豆甾醇葡萄糖苷
- 主营：生化试剂、蛋白与免疫、ELISA、生化试剂盒、染色试剂、微生物培养、磁珠、纳米材料、抗体
- 主营：优氯净、硫化蓝、乙炔基、苏拉明钠129、氟烟酸、桦焦油、特乐酯、甲硫基、异菌脲、咯喹酮、吡喃灵、溶剂绿、铵明矾、氟环唑、硫代二、溶剂黑、溶剂黄、碱性红、霜霉威、溴甲基、乙氧基、氟苯基、还原黄、羟乙基、4-c吡啶、永固橙
- 主营：苏拉明钠、生化试剂、化学试剂
- 主营：小分子现货、科研小分子、单抗、苏拉明钠、多肽、RAS抑制剂、中间体、医药中间体、实验室用试剂、实验小分子、氯苯甲酸、咪唑乙醇、氧代丙腈、贝达喹啉、贝伐单抗、谷氨酰胺、喹啉-21氢、决明内酯、溴喹唑啉、苯基丙基、乙基己基
- 主营：砷酸锂、白云石、水合物、氮化锌、144205-68-5、二叔丁基、利多卡因、碳化钨钴、泛影葡胺、化合物库、1093222-27-5、羟基苯基、八钼酸铵、生化试剂、苯甲酸乙酯、熊去氧胆酸、胆酸二水合、乙酰丙酮锌、湿法云母粉、六氟磷酸盐、干法云母粉、苯碳酸甲酯、脱氧胆酸二水、氨基二琥珀酸、对乙酰氨基苯酚