Overview
Standard small molecules are chemically defined compounds with molecular weights typically below 900 Daltons, serving as critical references in pharmaceutical and biochemical research. These compounds are characterized by high purity (>95%), well-documented structures, and batch-to-batch consistency. They are essential for calibration, method validation, and quality assurance in analytical laboratories. The pharmaceutical industry relies heavily on standard small molecules for drug development, particularly in high-throughput screening and pharmacokinetic studies. Their well-characterized nature ensures reproducibility in experiments, making them indispensable tools for researchers and quality control professionals alike.
Physical and Chemical Properties
Standard small molecules exhibit diverse physical properties depending on their chemical structure. Most are solid at room temperature with melting points ranging from 50°C to 300°C. Their solubility varies significantly - some are water-soluble while others require organic solvents like DMSO or ethanol. The compounds are typically stable under recommended storage conditions but may degrade when exposed to light, moisture, or extreme temperatures. Key chemical properties include defined molecular weight, specific functional groups, and consistent purity profiles. These characteristics are verified through analytical techniques such as HPLC, NMR, and mass spectrometry. The stability of these compounds makes them reliable references for quantitative analysis and method development in various scientific applications.
Main Applications
In pharmaceutical research, standard small molecules serve as reference materials for drug discovery and development. They are used to validate analytical methods, calibrate instruments, and ensure the accuracy of potency measurements. These compounds are particularly valuable in pharmacokinetic studies where precise quantification of drug molecules is required. Beyond pharmaceuticals, standard small molecules find applications in environmental testing, food safety analysis, and forensic science. They help identify and quantify contaminants, verify product authenticity, and ensure regulatory compliance. Their use in diagnostic test development is also significant, providing known reference points for clinical assays.
Safety and Storage
Proper handling of standard small molecules requires appropriate personal protective equipment (PPE) including lab coats, gloves, and safety glasses. Some compounds may be toxic, carcinogenic, or otherwise hazardous, necessitating review of material safety data sheets (MSDS) before use. Work should be conducted in well-ventilated areas or fume hoods when dealing with volatile compounds. Storage conditions are critical for maintaining compound integrity. Most standard small molecules should be stored at 2-8°C in airtight containers protected from light and moisture. Special storage requirements apply for hygroscopic or temperature-sensitive compounds. Proper labeling with date of receipt and opening is essential for tracking compound stability over time.
B2B Procurement Guide
When procuring standard small molecules, prioritize suppliers with ISO certification and proven track records in reference material production. Key considerations include the availability of detailed certificates of analysis (CoA), batch-specific data, and stability information. Minimum order quantities (MOQs) may apply, especially for rare or custom compounds. For bulk purchases, request samples for verification before committing to large orders. Evaluate supplier capabilities for custom synthesis if standard compounds are unavailable. Consider logistics carefully - some compounds may require special shipping conditions or hazardous material handling. Building relationships with reliable suppliers ensures consistent quality and availability for ongoing research needs.
Related Manufacturers
- 主营：海藻糖、甘油、泊洛沙姆、丙二醇、倍他环糊精、聚山梨酯80、药用辅料、聚乙二醇
- 主营：粘结剂、免烘干、粘合剂、肥料造粒、变性淀粉、糊化淀粉、阿尔法淀粉、玉米预糊化、预糊化淀粉、免烘干粘合剂、型煤粘合剂、除尘灰粘合剂、焦粉粘合剂、肥料造粒剂、型煤胶粉、铁粉粘合剂、氧化铁皮粘结剂、氧化铁粉、除尘灰脱锌粘合剂、焦炭块、焦末、焦沫、新型焦炭、石墨增碳剂、增碳剂造粒
- 主营：化工中间体、生物缓冲剂、实验试剂助剂
- 主营：超微粉、鹿鞭丸、向日葵、灵芝粉、口服液、桑黄片、桑黄粉、超细粉、复合粉、鹿鞭片、桑黄袋、白桦茸、桦树茸、黑金粉、分子肽、桑黄液、代用茶、金颗粒、野山参、浓缩粉、姜枣膏、八珍粉、黄灵芝、灵芝茶、葵花盘
- 主营：密理博滤膜、路明克斯luminex、默克纯水耗材、分子量标准品、安捷伦衬管进样针、OXoid奥克欧德、thermo赛默飞分析耗材、琼脂糖凝胶、agilent安捷伦、氘灯、038141赛默飞进样瓶
- 主营：葡萄酒、脱落酸、催化剂、对氨基苯乙酸、检测标志试剂、4-吡咯烷基吡啶、原料营养补充剂
- 主营：医药中间体、香精香料、选矿药剂、化工原料、助剂、偶联剂、扩链剂、化妆品原料
- 主营：白蜡树素、百两金素、半齿泽兰素
- 主营：l谷氨酸、d谷氨酸、l亮氨酸、小分子量蛋白质标准、人补体7、人补体1q、largininehcl、人钙调素、人雌三醇、人唾液酸、人多巴胺、人强啡肽、bocl丙氨酸、l异亮氨酸、猪d二聚体、d天冬氨酸、l天冬氨酸、人白三烯c4、猪白介素12、pcdh1试剂盒、elisa试剂盒、dl半胱氨酸、人磷脂酶a2、dl谷氨酰胺、人降钙素原、人轮状病毒
- 主营：萘苯胺、甘氨酸、甘氨酰、小分子量蛋白质标准、萘酚绿、硫酸锌、二苯胍、羟钴胺、磷酸铵、牛磺酸、褪黑素、肉桂醇、中性红、碳酸镁、肉桂醛、视黄醛、丙炔酸、alliinase、茜素红、肠激酶、达比加、脯氨酸、异丁苯、辛基酚、碘乙烷、叶绿素
- 主营：标准品、植物提取物、理化实验仪器
- 主营：过滤器、除垢滤芯、矿化滤芯、冰箱滤芯、净水机滤芯、活性炭滤芯、椰壳活性炭、除菌活性炭、烧结活性炭、净水器滤芯、除重金属滤芯、抑菌碳棒滤芯、抑菌除菌滤芯、矿物质水滤芯、阻垢净水器配件
- 主营：无损检测、环境检测、水质检测、小分子团水检测标准、废水检测、饮用水检测、超声波检测、无损探伤、建材检测、土壤检测、废气检测、产品检测、油品检测、矿石检测、日化品检测、金属材料检测、钢材检测、铝合金检测、铜合金检测、石材检测、服装检测、玩具检测
- 主营：吩嗪、肌氨酸钠、偶氮二异丁脒盐酸盐、V50、H酸、DDS、甲基磺酸铋、二恶唑啉、1-苯基-5-巯基四氮唑、柠檬酸铋、赛克、双氟代碳酸乙烯酯
- 主营：硅溶胶、铝溶胶