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89179 Sigma

L-Threonine

BioXtra, ≥99.5% (NT)

Synonym: (2S,3R)-2-Amino-3-hydroxybutyric acid

  • CAS Number 72-19-5

  • Linear Formula CH3CH(OH)CH(NH2)CO2H

  • Molecular Weight 119.12

  •  Beilstein Registry Number 1721646

  •  EC Number 200-774-1

  •  MDL number MFCD00064270

  •  PubChem Substance ID 57653332

  •  eCl@ss 32160406

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Properties

Related Categories Amino Acids, BioUltra, Biochemicals and Reagents More...
InChI Key   AYFVYJQAPQTCCC-GBXIJSLDSA-N
product line   BioXtra
assay   ≥99.5% (NT)
optical activity   [α]20/D −28.5±0.5°, c = 5% in H2O
impurities   ≤0.5% foreign amino acids
ign. residue   ≤0.1%
loss   ≤0.1% loss on drying, 20 °C (HV)
mp   256 °C (dec.)(lit.)
solubility   H2O: soluble50 mg/mL, clear, colorless
anion traces   chloride (Cl-): ≤50 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: ≤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+: ≤500 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg

Description

Other Notes

Preparation of threonine-sepharose, assay and purification of protein kinase C; Amino acid spacing in isotachophoresis on polyacrylamide gel - a critical evaluation; 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.



Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1

Documents

Certificate of Analysis

Protocols & Articles

Articles

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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