Description

Isodomoic Acid G is a specific stereoisomer of the marine neurotoxin domoic acid, identified by the CAS registry number 188346-81-8. This high-purity reference standard is critical for analytical research and quality control in fields requiring precise identification and quantification of shellfish toxins. It is an essential material for researchers, regulatory bodies, and testing laboratories focused on marine biotoxin safety. The compound serves as a definitive benchmark for method development and validation in food safety monitoring.

Application

• Analytical Reference Standard: Primary use as a certified standard for calibrating analytical instruments like HPLC-MS and LC-MS/MS in toxin detection.
• Food Safety Testing: Critical for the accurate quantification of domoic acid isomers in shellfish (mussels, clams, scallops), fish, and seawater to ensure regulatory compliance.
• Toxicological Research: Used in studies to investigate the specific biological activity, metabolism, and neurological impact of individual domoic acid stereoisomers.
• Method Development & Validation: Serves as a key component in developing, optimizing, and validating new analytical methods for marine biotoxins.
• Quality Control (QC) & Assurance (QA): Employed in internal QC/QA protocols for laboratories and kit manufacturers to verify the accuracy and precision of test results.
• Regulatory Compliance & Proficiency Testing: Used by national monitoring programs and in laboratory proficiency testing schemes to ensure consistent and reliable testing outcomes globally.

Basic Information

Product Name	Isodomoic Acid G
CAS No.	188346-81-8
Molecular Formula	C15H21NO6
Molecular Weight	311.33 g/mol
Synonyms	(2S,3S,4S)-4-[(2Z,4E,6R)-6-Carboxyhepta-2,4-dien-2-yl]-3-(carboxymethyl)-4-methylproline; Isodomoic Acid G; Domoic Acid Isomer G; DA-G; (2S,3S,4S)-Isodomoic Acid G; DA Isomer G
EINECS	Contact for details

Quality Control

Every batch of Isodomoic Acid G is produced and analyzed under strict quality management protocols to ensure identity, purity, and stability. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, providing detailed chromatographic purity, assay results, and spectroscopic confirmation data suitable for use as a reference material.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dedicated freezer. This product is hygroscopic (moisture-sensitive); allow the sealed vial to equilibrate to room temperature before opening to minimize condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (HPLC)	Conforms to reference standard
Identification (MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0% (Area Percent)
Assay (HPLC)	≥ 90.0% (by weight vs. certified standard)
Water Content (KF)	≤ 5.0% w/w
Solubility	Soluble in water, methanol; slightly soluble in acetonitrile

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.