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CAS No 70-26-8 , (2S)-2,5-diaminopentanoic acid

  • Name: (2S)-2,5-diaminopentanoic acid
  • Synonyms: 5-amino-;(2S)-2,5-diaminopentanoic acid; L( )-Ornithine; (S)-Ornithine;L-ornithine; Ornithinum [Latin]; Ornithine (VAN); L-Norvaline; (S)-2,5-Diaminopentanoic acid; ornithine;
  • CAS Registry Number:
  • Density: 1.165 g/cm3
  • Safety Statements: Mutation data reported. When heated to decomposition it emits toxic vapors of NOx.
  • EINECS: 200-731-7
  • Molecular Weight: 132.16098
  • InchiKey: AHLPHDHHMVZTML-BYPYZUCNSA-N
  • InChI: InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)/t4-/m0/s1
  • Molecular Formula: C5H12N2O2
  • Molecular Structure:CAS No:70-26-8 (2S)-2,5-diaminopentanoic acid
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70-26-8 L-Ornithine;2,5-Diaminovaleric acid

  • China Shanghai Hanhong Chemical Co., Ltd. [, Manufacturer, Trading Company, Agent]
  • Tel: +86-(21)-64762736, 64531573
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  • Address: 206-209, NO.1 Building , NO.245,Jiachuan Road, Xuhui District, Shanghai, Xuhui District,ShanghaiChina
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70-26-8 L-ORNITHINE

  • Germany CHEMOS GmbH [Manufacturer]
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  • Address: CHEMOS GmbH
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70-26-8 L-Ornithine HCl

  • China Ningbo Inno Pharmchem Co., Ltd. [Manufacturers]
  • Tel: +86-(574)-87319282
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  • Address: 5F, Building 4, 1035 Guangxian Rd., Ningbo Hi-Tech Park, Ningbo, Zhejiang 315040, Ningbo,ZhejiangChina
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70-26-8 L-Ornithine;2,5-Diaminovaleric acid

  • China VETCHEM Biochemistry Science [, Manufacturer, Distributor/Wholesaler]
  • Tel: +86-21-593837
  • Address: No.2 Jinshanwei Industrial Zon,Shanghai 200120 China Shanghai,ShanghaiChina
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70-26-8 L-Ornithine;2,5-Diaminovaleric acid

  • China A & Z Food Additives.Co.,Ltd [Importer/Exporter]
  • Tel: 0086 571 85126931
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  • Address: gucui road Hang zhou,Zhe JiangChina
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70-26-8 L-Ornithine;2,5-Diaminovaleric acid

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70-26-8 L-Ornithine

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70-26-8 L-Ornithine HCl

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70-26-8 L-Ornithine HCl

  • China Ningbo Guoguang Biotechnology Co., Ltd. [Manufacturers]
  • Tel: +86-(574)-87596588
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  • Address: Number1, Xinheng 6 Road , Cicheng Private Industry Regin A, Ningbo, Zhejiang 315000, Ningbo,ZhejiangChina
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70-26-8 L-Ornithine

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References of (2S)-2,5-diaminopentanoic acid
Title: Ornithine
CAS Registry Number: 70-26-8
CAS Name: L-Ornithine
Synonyms: a,d-diaminovaleric acid; 2,5-diaminopentanoic acid
Molecular Formula: C5H12N2O2
Molecular Weight: 132.16
Percent Composition: C 45.44%, H 9.15%, N 21.20%, O 24.21%
Literature References: Non-essential amino acid for human development but is required intermediate in arginine biosynthesis. Found in virtually all vertebrate tissues as well as incorporated into proteins, such as tyrocidine, q.v. Isolation from chicken excreta: M. Jaffe, Ber. 10, 1925 (1877). Early chemistry and biochemistry: J. P. Greenstein, M. Winitz, Chemistry of the Amino Acids (John Wiley and Sons, Inc., New York, 1961) pp. 2477-2491, passim. Review of synthesis: R. Yoshida, Synth. Prod. Util. Amino Acids, T. Kaneko et al., Eds (Kodansha Ltd, Tokyo, Japan, 1974) pp 166-170; of biosynthesis in plants: P. D. Shargool et al., Phytochemistry 27, 1571-1574 (1988). Brief historical review: H. A. Akers, E. V. Dromgoole, Trends Biochem. Sci. 7, 156-157 (1982). Review of metabolism: V. E. Shih, Enzyme 26, 254-258 (1981); of role in CNS functions: N. Seiler, G. Daune-Anglard, Metab. Brain Dis. 8, 151-179 (1993).
Properties: Colorless crystals. [a]D25 +11.5° (c = 6.5). Aq solns are alkaline. pK1¢ 1.94; pK2¢ 8.65; pK3¢ 10.76. Freely sol in water, alc; sparingly sol in ether.
pKa: pK1¢ 1.94; pK2¢ 8.65; pK3¢ 10.76
Optical Rotation: [a]D25 +11.5° (c = 6.5)
 
Derivative Type: L-Form aspartate
CAS Registry Number: 3230-94-2
Synonyms: L-Ornithine-L-aspartate
Trademarks: Hepa-Merz (Merz)
Properties: Crystal structure: D. M. Salunke, M. Vijayan, Int. J. Pept. Protein Res. 22, 154 (1983). Clinical trial in hyperammonemia: J. Fehér et al., Med. Sci. Monit. 3, 669 (1997); S. Stauch et al., J. Hepatol. 28, 856 (1998).
 
Derivative Type: DL-Form
CAS Registry Number: 616-07-9
Properties: Crystals from water. Sparingly sol in alcohol.
 
Therap-Cat: In treatment of hyperammonemia.