Description

L-Arginine Maleate is a high-purity, pharma-grade salt form of the essential amino acid L-Arginine, offering enhanced stability and solubility for critical formulations. This compound is vital for its role in nitric oxide synthesis, making it a key ingredient in products targeting cardiovascular health, immune function, and cellular metabolism. It is primarily required by manufacturers in the pharmaceutical, nutraceutical, and high-end research sectors for developing parenteral solutions, solid dosage forms, and specialized biochemical reagents.

Application

• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) for cardiovascular and metabolic drugs.
• Parenteral Nutrition: A critical component in intravenous amino acid solutions for clinical nutrition and hospital care.
• Dietary Supplements: Formulated into capsules, tablets, and powders for sports nutrition and general wellness products.
• Biochemical Research: Serves as a standard and reagent in enzymatic studies and cell culture media.
• Cosmeceuticals: Incorporated into topical formulations for its purported role in promoting skin repair and circulation.

Basic Information

Product Name	L-Arginine Maleate
CAS No.	93778-36-0
Molecular Formula	C10H20N4O6
Molecular Weight	292.29 g/mol
Synonyms	L-Arginine maleate salt; Arginine maleate; (S)-2-Amino-5-guanidinopentanoic acid (Z)-butenedioate; Arg maleate; Maleic acid arginine salt; L-Arginine hydrogen maleate; H-Arg-OH maleate
EINECS	Contact for details

Quality Control

Our L-Arginine Maleate is manufactured under strict quality management systems, targeting compliance with pharmaceutical-grade standards. Each batch is subjected to comprehensive analytical testing, including identity, purity, and impurity profile verification. A Certificate of Analysis (COA) documenting all test results is provided to ensure full traceability and support your regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	98.0% - 102.0%
Specific Rotation	+25.0° to +28.0°
pH (5% solution)	3.0 - 5.0
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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