热门关键词: ELISA试剂盒 - 大鼠ELISA试剂盒- 小鼠ELISA试剂盒
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L-胱氨酸CAS : 56-89-3
货号:zk4498
	英文名: L-Cystine
级别 :USP Grade 
储存:常温(18-25℃) 
分子量 :240.3
规格:100G  500G
| 物性 | 白色结晶或结晶性粉末。溶于稀乙酸和碱性溶液,极微溶于水,不溶于乙醇。 | 
| Assay | 98.5%~101.5% | 
| Iron | ≤10ppm | 
| Specific rotation | -215~-225 | 
| Heavy metals | ≤10ppm | 
| Loss on drying | ≤0.2% | 
| Residue on ignition | ≤0.1% | 
| Chloride | ≤200ppm | 
| Sulfate | ≤200ppm | 
| Organic Impurities | Individual impurities: ≤0.2% Total impurities: ≤2.0% | 
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