N-Acetyl-L-Leucine, Ac-Leu-OH, AJI92

Weight: 1 pound (454g)
Sale price$53.00


N-acetyl-L-leucine, the N-acetyl derivative of L-leucine, represents the L-enantiomer of N-acetyl-leucine, serving as a pivotal conjugate acid. With a CAS Number of 1188-21-2 and an EC Number of 214-706-3, this compound bears a chemical formula of C8H15NO3 and a molecular weight of 173.21, adhering to the AJI92 standard. As a synonym known by various names such as Acetyl-L-Leucine, Ac-Leu-OH, and N-Acetylleucine, it stands as a critical component within the amino acid spectrum.

CAS Number: 1188-21-2
EC Number: 214-706-3
Chemical Formula: C8H15NO3
Molecular Weight: 173.21
Standard: AJI92




White crystals or crystalline powder

Melting point:

160.0 ~ 164.0 °C

Specific rotation [a]D25°

-22.0o ~ -26.0o


97.5% to 102.5%

State of solution ( EtOH)

Clear and colorless


95.0% min.

Loss on drying:

0.35% max.

Chloride (Cl):

0.04% max.

Residue on ignition [sulfated]:

0.1% max

Heavy metals [Pb]:

10ppm max.

Arsenic [As2O3]:

2ppm max.

Key Features:

  • N-Acetyl Derivative: Derived from L-leucine, serving as the N-acetyl conjugate acid, ensuring unique properties.
  • Standard Compliance: Meets AJI92 standards, ensuring reliability and adherence to established quality benchmarks.
  • Molecular Specifications: Chemical formula C8H15NO3 with a molecular weight of 173.21 for consistent formulation and quality control.

N-acetyl-L-leucine finds its significance across various domains owing to its modified structure and conjugate acid properties. As a critical component within the amino acid repertoire, it holds potential applications in pharmaceutical formulations, biochemical research, and specialized dietary supplements. Its unique structural modifications make it a promising candidate for exploring specialized compound development, particularly in sectors emphasizing neurological health and specialized amino acid formulations.

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