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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 24847046

  •  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: soluble0.5 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.

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

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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