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/ Products Classification 点击展开+Cat. Number | HA0031 |
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Chemical Name | HA0031 L-半胱氨酸盐酸盐一水物L-Cysteine hydrochloride 7048-04-6 |
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CAS Number | 7048-04-6 |
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Mol. Formula | C3H8ClNO2S·H2O |
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Mol. Weight | 175.63 |
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Qty 1 |
25g |
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Qty 2 | 100g |
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Appearance | 白色结晶或结晶性粉末,有吸湿性 |
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Application Notes | BR≥99.0% |
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Synonym | L-Cysteine.HCI.H2O;L-Cysteine hydrochloride;L(+)-β-Mercaptoalanine hydrochloride;(R)-2-Amino-3-mercaptopropionic acid hydrochloride;L(+)-α-Amino-β-thiopropionic acid hydrochloride;L(+)-Amino-α-mercaptopropionic acid hydrochloride;L-半胱氨酸盐酸盐;L(+)-β-盐酸硫氢代丙氨酸;(R)-2-氨基-3-巯基丙酸盐酸盐;L-盐酸半胱氨酸一水物;L(+)-盐酸半膀胱氨基酸;L-氢氯半胱氨酸一水物 |
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Melting Pt. | 175~178℃(分解) |
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Solubility | 溶于水、乙醇和丙酮,水溶液呈酸性 |
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Storage condition | RT,避光 |
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References | 英文名称:L-Cysteine.HCI.H2O;L-Cysteine hydrochloride;L(+)-β-Mercaptoalanine hydrochloride; (R)-2-Amino-3-mercaptopropionic acid hydrochloride;L(+)-α-Amino-β-thiopropionic acid hydrochloride; L(+)-Amino-α-mercaptopropionic acid hydrochloride 其他名称:L-半胱氨酸盐酸盐;L(+)-β-盐酸硫氢代丙氨酸;(R)-2-氨基-3-巯基丙酸盐酸盐;L-盐酸半胱氨酸一水物;L(+)-盐酸半膀胱氨基酸;L-氢氯半胱氨酸一水物 CAS号:7048-04-6 C3H8ClNO2S·H2O=175.63 级别:BR 含量:≥99.0% 比旋光度:+5.5º~+7.0º PH:1.5~2.0 氯化物:19.89~20.29% 铵盐:≤0.02% 硫酸盐:≤0.02% 重金属:≤10ppm 砷盐:≤1ppm 铁盐:≤10ppm 干燥失重:8.5~12.0% 性状:白色结晶或结晶性粉末,有吸湿性。在空气中缓慢氧化和分解。 溶解性:溶于水、乙醇和丙酮。水溶液呈酸性。 熔点:175~178℃(分解) 用途:本品仅供科研,不得用于其它用途。钢铁原材料中的钙、镁测定。测定溶血素的还原剂。厌氧菌的生长培养和计数 保存:RT,避光
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