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L-精氨酸盐酸盐
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更新时间:2016-06-13  |  阅读:1320

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L-精氨酸盐酸盐
L-Arginine hydrochloride
Cas 号: 【1119-34-2】 M D L: MFCD00064550
L-精氨酸盐酸盐分子式: C6H14N4O2·HCl; HN=C(NH2)NH(CH2)3CH(NH2)COOH · HCl 分子量: 210.66
别 名: L-盐酸蛋白氨基酸,L-盐酸胍基戊氨酸,盐酸精氨酸
(S)-(+)-Arginine hydrochloride
USP 98.5% 1Kg
EP, JP, USP 级,≥98.5% 500g
EP, JP, USP 级,≥98.5% 100g
98% 500g
98% 25g
98% 100g
性 状: 无色或白色结晶。无气味。溶于水,微溶于热乙醇。水溶液呈酸性。218℃时熔结,225℃时成固态。水中溶解度: 75.1 g/100g (20°C)。
熔点: 226 °C
[a]20/D: 22° (c=8,6N HCl)
质量标准:
外观Appearance 白色结晶粉末或结晶
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity >98.0%
干燥损失Loss on drying <0.2 % (105°C, 3 小时)
重金属Heavy metals (as Pb) <10 ppm
pH 4.7 - 6.2 (2.5% 溶液, 25°C)
其它氨基酸Other amino acids <0.5 % (TLC)
比旋度Specific rotation [a]20/D +21.4° - +23.6°(c=8, 6 N HCl)
痕量分析Trace analysis :
SO4 < 300 ppm
NH4 < 200 ppm
Fe < 10 ppm
透光度Transmittance >95 % (c=10, H2O, 430 nm) 1 cm cell
USP级
ASSAY (DRIED BASIS) 98.5 - 101.5 %
SPECIFIC ROTATION [a]D +21.4 TO+23.6
LOSS ON DRYING -- 0.2 %
CHLORIDE CONTENT 16.5 - 17.1 %
RESIDUE ON IGNITION -- 0.1 %
SULFATE -- 0.03 %
HEAVY METALS -- 0.002 %
贮 存: 密封干燥避光保存。
用途 一氧化氮合成酶底物,能转换为瓜氨酸和NO。靠一种依赖于NO的机制诱导胰岛素分泌。
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