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D-(-)-Arginine

类白色粉末,含量98.5%以上

  • Commodity number:A00201
  • Goods number:A00201-25g
  • Brand:Hanhong
  • Income integral:68
  • Abbreviation: D-Arg-OH
  • CAS: 157-06-2
  • EINECS: 205-866-5
  • MF: C6H14N4O2
  • Synonyms: H-D-Arginine
  • MW: 174.20276
  • Grade: Tech
  • Promotion: Featured
  • Original price: ¥680.00-¥1800.00
  • Present price: ¥680.00-¥35000.00
Freight number Package Original price Present price Order quantity Stock describe
A00201-25g 25g ¥680.00 ¥680.00
15 deliver goods within 1-2 days
A00201-100g 100g ¥1800.00 ¥1800.00
7 deliver goods within 1-2 days
A00201-100kg 100kg ¥1800.00 ¥35000.00
3 deliver goods within 1-2 days
Test Items Standard
Appearance White to off white powder
Assay 98.0 to 101.0%
Optical rotation [メ]20/D -26.5【0.5ì (C=5%.in5M HCl)
Melting Point 241.8∩ (dec.)
Loss on Drying <1.0 %
Residue on Ignition (Sulfate) Not more than 0.20%

Parameters

Properties
Properties【外观性状】白色结晶状物质;溶于水;分解点为238℃;比旋光度[α]25D-12.5°(0.5-2.0 mg/ml,H2O),[α]25D-27.6°(0.5-2.0 mg/ml,5mol/L HCl)。【熔点 】226 °C (dec.)(lit.)【比旋光度 】-28.5 º (c=8, 6 N HCl)【折射率 】-23 ° (C=8, 6mol/L HCl)【储存条件 】Store at 0-5【水溶解性 】SOLUBLE【敏感性 】Air Sensitive【检测方法】HPLC,NMR【BRN 】1725412
Specification And Standard
Production And Usage
Production process以L-精氨酸为原料,经消旋反应得到DL-精氨酸。利用粪链球菌(Streptococcus faecalis)菌体内精氨酸脱亚胺酶对L-精氨酸的专一脱亚胺作用,以87%产率获得D-精氨酸,并以88%产率获得附加产物L-瓜氨酸。以D-鸟氨酸盐酸盐为原料,碳酸铜处理后与O-甲基异脲在碱性条件下反应得粗品,再用2,4-硝基-1-萘-7-磺酸沉淀,盐酸与水重结晶得产品。
Application用作生化试剂。D-精氨酸(D-arginine,D-arg)是一种非蛋白质氨基酸,天然原料人工合成 。研究表明D-精氨酸具有抗高血压的功效[1];D-精氨酸的重要生理功能还表现在可抑制癌症扩散,治疗生长激素过多释放造成的紊乱等方面[2-3]。L-瓜氨酸(L-citrulline,L-cit)是人体尿素循环的一个重要中间代谢物,有利尿作用。
Packing And Storage
Safety
Spectrum And References
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