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Home> CAS DataBase Listed 6 > CAS 61-90-5
Identification of 61-90-5
  • Name:
  • L-Leucine (Related Reference)
  • EINECS:
  • 200-522-0
  • Synonyms:
  • L(+)-Leucine; .alpha.-Aminoisocaproic acid; 2-Amino-4-methylpentanoic acid, (S)-; L-Norvaline, 4-methyl-; L-alpha-Aminoisocaproic acid; Leucine (USP); 2-Amino-4-methylvaleric acid (L); (2S)-alpha-Leucine; Pentanoic acid, 2-amino-4-methyl-, (S)-; (S)-2-Amino-4-methyl-pentanoic acid; Leucine, L-; 2-Amino-4-methylpentanoic acid; (S)-(+)-leucine; Pentanoic acid, 2-amino-4-methyl-; Leu; Valeric acid, 2-amino-4-methyl-, (S)-; (2S)-2-azaniumyl-4-methyl-pentanoate; (S)-2-Amino-4-methylvaleric acid; (2S)-2-amino-4-methylpentanoic acid; Norvaline, 4-methyl-; L-Leuzin; L-2-Amino-4-methylpentanoic acid; (2S)-alpha-2-Amino-4-methylvaleric acid; FEMA No. 3297; 2-Amino-4-methylpentanoic acid (L); (S)-leucine;
  • InChI:
  • InChI=1/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
  • This structure is also available as a 2d Mol file
Safety Data of 61-90-5 Properties of 61-90-5
  • Appearance:
  • White crystalline powder
  • Molecular Weight:
  • 131.17
  • Density:
  • 1.035 g/cm3
  • Boiling Point:
  • 225.8 °C at 760 mmHg
  • Melting Point:
  • 286-288℃
  • Flash Point:
  • 90.3 °C
  • Alpha:
  • 15.4 o (C=4, 6N HCL)
  • Storage Temperature:
  • Store at RT.
  • Solubility:
  • 1 M HCl: 50 mg/mL
  • Stability:
  • Stability Moisture and light sensitive. Incompatible with strong oxidising agents.
  • More>>

CAS No. 61-90-5 (L-Leucine )

  • CAS No:61-90-5
  • Molecular Weight: 131.17
  • Molecular Formula: C6H13NO2
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product
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Precursor and Product
References of L-Leucine cas 61-90-5

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LDLo subcutaneous 2620mg/kg (2620mg/kg) ? Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 40, Pg. 313, 1898.
rat LD50 intraperitoneal 5379mg/kg (5379mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA Archives of Biochemistry and Biophysics. Vol. 58, Pg. 253, 1955.

Safety

Safety Statements of?L-Leucine (CAS NO.61-90-5): 24/25?
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
RTECS: OH2850000
HS Code: 29224995
Moderately toxic by subcutaneous route. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.

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