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81709 Sigma

L-Proline

BioUltra, ≥99.5% (NT)

Synonym: (S)-Pyrrolidine-2-carboxylic acid

  • CAS Number 147-85-3

  • Empirical Formula (Hill Notation) C5H9NO2

  • Molecular Weight 115.13

  •  Beilstein Registry Number 80810

  •  EC Number 205-702-2

  •  MDL number MFCD00064318

  •  PubChem Substance ID 57652885

  •  eCl@ss 32160406

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Properties

Related Categories Amino Acids, Amino acids, BioUltra, Biochemicals and Reagents, Cell Biology,
InChI Key   ONIBWKKTOPOVIA-BYPYZUCNSA-N
product line   BioUltra
assay   ≥99.5% (NT)
optical activity   [α]20/D −85.0±1.0°, c = 5% in H2O
impurities   insoluble matter, passes filter test
  ≤0.3% foreign amino acids
ign. residue   ≤0.1%
loss   ≤0.1% loss on drying, 20 °C (HV)
pH   6.0-7.0 (25 °C, 1 M in H2O)
mp   228 °C (dec.)(lit.)
solubility   H2O: 1 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+: ≤20 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 H2O
UV absorption   λ: 260 nm Amax: 0.05
  λ: 280 nm Amax: 0.05

Description

Other Notes

Protects enzymes against heat inactivation; 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 
TW3584000
Protocols & Articles

Articles

Proline Derivatives and Analogs

Proline is a non-polar proteinogenic amino acid that forms a tertiary amide when incorporated into peptides. It does not have a hydrogen on the amide group and therefore cannot act as a hydrogen bond...
Chemfiles Volume 5 Article 12
Keywords: Adhesion, Biochemistry, Catalysis, Deposition, Hydroxylations, Isomerizations, Nucleic acid hybridization, Pharmaceutical, Reductions, Substitutions, Type

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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