Description

Argininosuccinic Acid CAS NO 21020-81-5 is a key intermediate compound in the urea cycle, the primary pathway for nitrogen excretion in mammals. Its significance lies in its role as a biochemical precursor and research tool for studying metabolic disorders. This high-purity material is essential for pharmaceutical R&D, diagnostic reagent formulation, and advanced biochemical studies. We supply this critical intermediate to global partners with a focus on consistent quality and reliable supply chain integrity.

Application

• Pharmaceutical Research & Development: Critical intermediate for studying urea cycle disorders and developing related therapeutic agents.
• Diagnostic Reagent Manufacturing: Used as a standard or key component in kits for detecting inborn errors of metabolism.
• Biochemical Research: Serves as a substrate or reference compound in enzymatic studies and metabolic pathway analysis.
• Academic & Clinical Laboratories: Essential reference material for universities and hospitals conducting metabolic disease research.
• Nutraceutical Precursor: Potential intermediate in the synthesis of specialized amino acid supplements.
• Cell Culture Media Supplement: Used in specialized media formulations for metabolic studies in cell biology.

Basic Information

Product Name	Argininosuccinic Acid
CAS No.	21020-81-5
Molecular Formula	C10H18N4O6
Molecular Weight	290.27 g/mol
Synonyms	L-Argininosuccinic Acid; Argininosuccinate; N-(L-Arginino)succinic Acid; (2S)-2-[[(4S)-4-Amino-4-carboxybutyl]amino]-4-(diaminomethylideneamino)-4-oxobutanoic Acid; ASA; ASL Substrate; Urea Cycle Intermediate
EINECS	244-163-8

Quality Control

Our Argininosuccinic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, chiral analysis, and residual solvent screening to ensure it meets stringent specifications for research and diagnostic use. Certificates of Analysis (COA) with full traceability are provided, confirming compliance with relevant standards. Our quality commitment ensures material of the highest consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to maintain stability and purity. For long-term storage, consider desiccated conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Optical Rotation	Specific range upon request
Water Content (KF)	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 10 ppm

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