Basic information Safety Supplier Related

DOMOIC ACID

Basic information Safety Supplier Related

DOMOIC ACID Basic information

Product Name:
DOMOIC ACID
Synonyms:
  • (2S,3S,4S)-4-[(2Z,4E,6R)-6-carboxyhepta-2,4-dien-2-yl]-3-(carboxymethyl)pyrrolidine-2-carboxylic acid
  • Domoic Acid, Mytilus edulis - CAS 14277-97-5 - Calbiochem
  • 3-Pyrrolidineacetic acid, 2-carboxy-4-[(1Z,3E,5R)-5-carboxy-1-methyl-1,3-hexadien-1-yl]-, (2S,3S,4S)-
  • (2S-(2-alpha,3-beta,4-beta(1Z,3E,5S*)))-2-Carboxy-4-(5-carboxy-1-methyl-1,3-hexadienyl)-3-pyrrolidineacetic acid
  • (-)-Domic acid
  • (2S)-2α-Carboxy-4β-[(1Z,3E,5R)-5-carboxy-1-methyl-1,3-hexadienyl]-3β-pyrrolidineacetic acid
  • L-Domic acid
  • 3-Pyrrolidineacetic acid, 2-carboxy-4-(1Z,3E,5R)-5-carboxy-1-methyl-1,3-hexadienyl-
CAS:
14277-97-5
MF:
C15H21NO6
MW:
311.33
Product Categories:
  • Amino Acids & Derivatives
  • Heterocycles
  • AlgaeNeurotransmitters
  • Glutamate receptor
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • AMPA/Kainate AgonistsIon Channels
  • Ionotropic Glutamate Receptor Modulators
  • Cell Signaling and Neuroscience
  • Excitatory Amino Acids
  • Ligand-Gated Ion Channels
  • Toxins and Venoms
Mol File:
14277-97-5.mol
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DOMOIC ACID Chemical Properties

Melting point:
213-217℃
Boiling point:
451.38°C (rough estimate)
Density 
1.1800 (rough estimate)
refractive index 
1.5130 (estimate)
storage temp. 
-20°C
solubility 
methanol: 0.6 mg/mL
form 
solid
pka
2.08±0.60(Predicted)
color 
white
optical activity
-109.612 (H2O)
Water Solubility 
Soluble in water at 8mg/ml. Soluble in methanol at 0.6mg/ml.
Merck 
13,3451
BRN 
46376
Stability:
Light Sensitive
EPA Substance Registry System
Domoic acid (14277-97-5)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
20/21/22
Safety Statements 
36/37
WGK Germany 
3
RTECS 
UX9665100
Hazardous Substances Data
14277-97-5(Hazardous Substances Data)
Toxicity
An excitory amino acid isolated from the red alga Chondria armata. A structural analog of kainic acid and domoic acid has been shown to be responsible for the shellfish poisoning associated with eating certain cultured blue mussels.
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DOMOIC ACID Usage And Synthesis

Chemical Properties

Off-White Solid

Uses

Labelled Domoic Acid. Domoic Acid is an excitatory amino acid isolated from the red alga Chondria armata Okamura, Rhodomelaceae. Domoic acid shown to be responsible for amnesic shellfish poisoning ass ociated with ingestion of certain cultured blue mussels. Domoic Acid is a structural analog of Kainic acid (K135000).

Uses

Domoic Acid is an excitatory amino acid isolated from the red alga Chondria armata Okamura, Rhodomelaceae. Domoic acid shown to be responsible for amnesic shellfish poisoning associated with ingestion of certain cultured blue mussels. Domoic acid is a structural analog of Kainic acid (K135000). DA. EU regulated marine toxin.

Uses

Domoic acid has been used:

  • as an excitatory neurotoxin to determine brain transcriptional response
  • to study its cytotoxic, genotoxic and immunotoxic effects on the marine mussel M. edulis
  • to study its neurobehavioral effects on mouse fetuses

Definition

ChEBI: A L-proline derivative that is L-proline substituted by a carboxymethyl group at position 3 and a 6-carboxyhepta-2,4-dien-2-yl group at position 4. It is an analog of kainic acid and is the neurotoxin associated with the a nesic shellfish poisoning (ASP).

General Description

Domoic acid, a heterocyclic amino acid neurotoxin is synthesized by various marine algaes. It possess some structural similarity to kainic acid.

Biological Activity

More potent and possibly more selective than kainate at kainate receptors, as demonstrated in electrophysiological studies.

Biochem/physiol Actions

Domoic acid is a potent agonist at receptors for excitatory amino acids glutamate and kainate. It has highest affinity for AMPA/kainate receptor of any kainate agonist. It can causes excessive excitation of neurons leading to depletion of energy stores.

Purification Methods

Domoic acid (~300 mg) is purifed on a Dowex1 column (3.5 x 40 mm, 200-400 mesh, acetate form), washed with H2O until neutral, then eluted with increasing concentrations of AcOH (8L) from 0 to 0.25M. The fraction containing domoic acid (in 50mL) is collected, evaporated to dryness under reduced pressure and recrystallised from aqueous EtOH. It is a glutamate and a Kainate receptor agonist. [Impellizzeri et al. Phytochemistry 14 1549 1975, Takemoto & Diago Arch Pharm 293 627 1960, Beilstein 22/4 V 371.]

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