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58879 Sigma

L-Isoleucine

BioUltra, ≥99.5% (NT)

Synonym: (2S,3S)-2-Amino-3-methylpentanoic acid

  • CAS Number 73-32-5

  • Linear Formula C2H5CH(CH3)CH(NH2)CO2H

  • Molecular Weight 131.17

  •  Beilstein Registry Number 1721792

  •  EC Number 200-798-2

  •  MDL number MFCD00064222

  •  PubChem Substance ID 57651663

  •  eCl@ss 32160406

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Properties

Related Categories Allium cepa (Onion), Allium sativum (Garlic), Aloe Vera, Amino Acids, BioUltra,
InChI Key   AGPKZVBTJJNPAG-WHFBIAKZSA-N
product line   BioUltra
assay   ≥99.5% (NT)
  ≥99.5% (TLC)
optical activity   [α]20/D +41.0±1°, c = 5% in 6 M HCl
impurities   insoluble matter, passes filter test
  ≤0.5% foreign amino acids
ign. residue   0.05%
loss   0.05% loss on drying, 20 °C (HV)
mp   288 °C (dec.)(lit.)
solubility   1 M HCl: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤100 mg/kg
  sulfate (SO42-): ≤100 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  NH4+: ≤100 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in 1 M HCl
UV absorption   λ: 260 nm Amax: 0.07
  λ: 280 nm Amax: 0.05

Description

Other Notes

Growth requirement of various microorganisms

Price and Availability


Laboratory Gloves

All labs need water
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
NR4705000

Documents

Certificate of Analysis

Protocols & Articles

Articles

Characteristic Metabolites for Inborn Errors of Amino Acid Metabolism

Inborn errors of metabolism are caused by changes in specific enzymatic reactions and hundreds of different such alterations, which affect about 1 of every 5000 newborns, have been characterized. The...
Keywords: Indicators, Metabolism, Metabolites

MSMLS Online Plate Map

Metabolite descriptors included with the software download upon purchase of the product include: Name, Parent CID, molecular formula, molecular weight, CAS, ChEBI, HMDB ID, PubChem Compound and Subst...
Keywords: Mass spectrometry, Metabolites

Related Content

Amino Acids Reference Chart

The hydrophobicity index is a measure of the relative hydrophobicity, or how soluble an amino acid is in water. In a protein, hydrophobic amino acids are likely to be found in the interior, whereas h...

Peer-Reviewed Papers
15

References

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