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94619 Sigma

L-Valine

BioUltra, ≥99.5% (NT)

Synonym: (S)-α-Aminoisovaleric acid, L-2-Amino-3-methylbutanoic acid

  • CAS Number 72-18-4

  • Linear Formula (CH3)2CHCH(NH2)CO2H

  • Molecular Weight 117.15

  •  Beilstein Registry Number 1721136

  •  EC Number 200-773-6

  •  MDL number MFCD00064220

  •  PubChem Substance ID 24890028

  •  eCl@ss 32160406

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Properties

Related Categories Amino Acids, Amino acids, BioUltra, Biochemicals and Reagents, Cell Biology,
InChI Key   KZSNJWFQEVHDMF-BYPYZUCNSA-N
product line   BioUltra
assay   ≥99.5% (NT)
optical activity   [α]20/D +27.0±0.5°, c = 5% in 5 M HCl
impurities   insoluble matter, passes filter test
  ≤0.3% foreign amino acids
ign. residue   ≤0.05%
loss   ≤0.05% loss on drying, 20 °C (HV)
mp   295-300 °C (subl.)(lit.)
solubility   1 M HCl: soluble0.5 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤50 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+: ≤150 mg/kg
  Na: ≤100 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   0.5 M in 1 M HCl
UV absorption   λ: 260 nm Amax: 0.15
  λ: 280 nm Amax: 0.1

Description

Other Notes

Protects enzymes against heat inactivation; As spacer in isotachophoresis of serum proteins; Growth requirement of various microorganisms

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




All labs need water
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
YV9361000

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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