2018/8/16 8:22:48打印记事本记算器
L-精氨酸盐酸盐

L-精氨酸盐酸盐 [1119-34-2]

  • 2-Amino-5-guanidinovaleric acid monohydrochloride
  • CAS:1119-34-2      
  • 分子式:C6H15CLN4O2
  • 分子量:210.66
  • MDL:
  • EINECS:214-275-1
  • 别名:L-胍基戊氨酸盐酸盐 L-精氨酸单盐酸盐 L-盐酸蛋白氨基酸
上一个:DL-精氨酸
下一个:蒜氨酸
产品货号商品名称规格包装售价(RMB)库存量数量操作备注
H1150079L-精氨酸盐酸盐 [1119-34-2]BR 25g 58.00>10
H1150080L-精氨酸盐酸盐 [1119-34-2]BR 100g 88.00>10
H1150081L-精氨酸盐酸盐 [1119-34-2]BR 500g 389.00>10
H1150082L-精氨酸盐酸盐 [1119-34-2]EP, JP, USP 级,≥98.5%,用于细胞培养 100g 225.00>10
H1150083L-精氨酸盐酸盐 [1119-34-2]EP, JP, USP 级,≥98.5%,用于细胞培养 500g 1086.00>10
化学性质质量标准危险性质用途及储存
化学性质
白色或近白色几乎无臭结晶性粉末。干燥状态下稳定。3%水溶液的pH值约5.7。易溶于水(90%,25℃)。微溶于热乙醇,不溶于乙醚。 熔点 226-230 °C(lit.) 比旋光度 22 º (c=8,6N HCl) 密度 1.42 溶解度 H2O: 100 mg/mL
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
硫酸盐灰分Sulfated ash                  <0.1 %
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
 
 
 
品级Grade                               药典级,非合成,用于细胞培养  
                                 (EP, JP, USP,not synthetic for cell culture)
来源origin                             non-animal source
appearance                             white crystalline powder
identification by ir                   conforms to structure
solubility                             clear colorless solution at 1.0g to 10ml of water
Specific rotation [a]20/D              +22.1 to +22.9 °
                                       * c = 8 in 6m hydrochloric acid
chloride                               16.58 to 17.00%
ammonium                               ≤ 0.02%
sulfate                                ≤0.020%
iron                                   ≤ 10 ppm
heavy metals                           ≤ 10 ppm
arsenic                                ≤ 1 ppm
loss on drying                         ≤ 0.20%
residue on ignition                    ≤ 0.10%
residual solvents                       meets the requirements
ninhydrin-positive substances (other amino acids) conforms
ph test                                4.7 to 6.2 (1.0g in 10ml water)
assay (dry basis)                      98.5 to 101.0%
endotoxin assay                        ≤ 1 eu/mg
cell culture test                      pass
note meets usp, ep and jp testing specifica tions
 
 
 
品级Grade                               超纯级  
                                     (Ultra pure >99% (HPLC))
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms to Structure
纯度Purity                              ≥99% (HPLC)  
磷酸Phosphorus (P)                      <0.0005%  
不溶物Insoluble matter                  <0.1%  
灼烧残渣residue on ignition             <0.1%
pH                                      5.0-7.0 (20 °C, 1 M in H2O)
水溶性solubility H2O:                   soluble1 M at 20 °C, clear, colorless
硫酸根sulfate (SO42-):                  <0.05%
  Al:                                   <0.0005%
  Ca:                                   <0.0005%
  Cu:                                   <0.0005%
  Fe:                                   <0.0005%
  K:                                    <0.005%
  Mg:                                   <0.0005%
  NH4+:                                 <0.05%
  Na:                                   <0.005%
  Pb:                                   <0.001%
  Zn:                                   <0.0005%
UV absorption
A260 (1 m in water)                     <0.2
A280 (1 m in water)                     <0.1

   
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