L-Proline, AJI97/USP24

Weight: 200g
Sale price$28.00


L-Proline, an essential amino acid integral to protein synthesis and collagen formation, embodies unparalleled purity and quality under the AJI97 and USP24 standards. Our meticulously crafted L-Proline powder guarantees pharmaceutical-grade excellence, ensuring optimal effectiveness and safety in a wide array of applications. This crystalline compound, derived through stringent manufacturing processes, demonstrates exceptional solubility and stability, making it an invaluable component across multiple industries.

CAS No.: 147-85-3
EINECS No.: 205-702-2
Chemical Formula: C5H9NO2
Molecular Weight: 115.1316
Synonyms: 2-Pyrrolidinecarboxylic acid
Standard: AJI97 and USP24
Melting Point: 228~ 233ºC



White Crystals or crystalline powder


98.5% min.

Specific rotation [α]D20:

-84.5o to -86.0o

State of solution:

Clear and colorless


98.0% min.

Heavy metals [Pb]:

10ppm max.


5.9 to 6.9

Residue on ignition [sulfated]:

0.1% max

Loss on drying

0.30% max.

Chloride [Cl]:

0.02% max.

Ammonium [NH4+]:

0.02% max.

Sulfate [SO4]:

0.02% max.

Iron [Fe]:

10ppm max

Arsenic [As2O3]:

1ppm max.

Other amino acids:

0.5% max


Key Features:

  • Pharmaceutical Grade: Meets AJI97 and USP24 standards for exceptional purity and quality assurance.
  • Optimal Solubility: Exhibits rapid dissolution for seamless integration into various formulations.
  • Stability: Maintains structural integrity and properties under varying conditions.
  • Versatile Applications: Essential in pharmaceuticals, cosmetics, and food industries for diverse functionalities.

L-Proline plays a pivotal role in pharmaceutical formulations, contributing to wound healing, tissue repair, and immune system support. Its inclusion in skincare and cosmetics aids in collagen synthesis, promoting skin elasticity and rejuvenation. In the food industry, it enriches nutritional supplements, enhancing their amino acid profile and fortifying the health benefits of functional foods. Its versatility extends to research laboratories, where it serves as a fundamental reagent in biochemical studies, further emphasizing its broad-reaching applications.

With its adherence to AJI97 and USP24 standards, our L-Proline stands as a premium-grade compound, consistently meeting stringent quality benchmarks across diverse industries for exceptional performance and reliability.

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