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L-Proline or (S)-Pyrrolidine-2-carboxylic Acid
CAS Number: 147-85-3 or 4305-67-3
Molecular Formula: C5H9NO2
Molecular Weight: 115.13
L-Proline or (S)-Pyrrolidine-2-carboxylic Acid
Proline USP Grade Specifications:
C5H9NO2 --- 115.13
l-Proline CAS 147-85-3
UNII: 9DLQ4CIU6V
DEFINITION
Proline contains NLT 98.5% and NMT 101.5% of l-proline (C5H9NO2), calculated on the dried basis.
IDENTIFICATION
A. Infrared Absorption
Residue on Ignition: NMT 0.4%
Chloride and Sulfate, Chloride: NMT 0.05%
Chloride and Sulfate, Sulfate: NMT 0.03%
Iron: NMT 30 ppm
Related impurities: To pass the test. Individual impurities : 0.5% maximum. Total impurities : 2.0% maximum.
Optical Rotation, Specific Rotation:
Sample solution: 40 mg/mL in water.
Acceptance criteria: −84.3° to −86.3°
Loss on Drying: Dry a sample at 105C for 3 h: it loses NMT 0.4% of its weight.
L-Proline FCC Food Grade Specifications:
L-2-Pyrrolidinecarboxylic Acid
C5H9NO2 Formula weight 115.13
CAS: 147-85-3
DESCRIPTION
L-Proline occurs as white crystals or a crystalline powder. It is very soluble in water and in alcohol, but insoluble in ether.
Function: Nutrient.
Identification: The infrared absorption spectrum of the sample exhibits relative maxima at the same wavelengths as those of a typical spectrum as shown in the section on Infrared Spectra, using the same test conditions as specified therein.
Assay: Not less than 98.5% and not more than 101.5% of C5H9NO2, calculated on the dried basis.
Lead: Not more than 5 mg/kg.
Loss on Drying: Not more than 0.3%.
Optical (Specific) Rotation [α]D20°: Between −84.0° and −86.3°, calculated on the dried basis.
Residue on Ignition: Not more than 0.1%.
We also supply Proline EP BP Ph Eur Grade.
Please visit SDS Safety Data Sheet of L-Proline or (S)-Pyrrolidine-2-carboxylic Acid Suppliers.
American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
Suppliers and Manufacturers' Representative:
9910 Bent Oak Dr
Houston, TX 77040, USA
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665
Email: info@ammol.org