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11189 Sigma

L-Aspartic acid

BioUltra, ≥99.5% (T)

Synonym: (S)-(+)-Aminosuccinic acid, (S)-Aminobutanedioic acid

  • CAS Number 56-84-8

  • Linear Formula HO2CCH2CH(NH2)CO2H

  • Molecular Weight 133.10

  •  Beilstein Registry Number 1723530

  •  EC Number 200-291-6

  •  MDL number MFCD00002616

  •  PubChem Substance ID 57646891

  •  eCl@ss 32160406

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Properties

Related Categories Amino Acids, BioUltra, Biochemicals and Reagents More...
InChI Key   CKLJMWTZIZZHCS-REOHCLBHSA-N
product line   BioUltra
assay   ≥99.5% (T)
optical activity   [α]20/D +24.7±1°, c = 5% in 5 M HCl
impurities   insoluble matter, passes filter test
  ≤0.3% foreign amino acids
ign. residue   ≤0.05% (as SO4)
loss   ≤0.1% loss on drying, 110 °C
mp   >300 °C (dec.)(lit.)
solubility   1 M HCl: 0.5 M at 20 °C clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤150 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+: ≤200 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: 0.20
  λ: 280 nm Amax: 0.10
Gene Information   human ... CA1(759), CA2(760)
rat ... Grin2a(24409)

Description

Biochem/physiol Actions

Principal neurotransmitter for fast synaptic excitation.

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Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
CI9098500

Documents

Certificate of Analysis

Protocols & Articles

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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