American Molecules - Ammol.org USA

(2S,3R)-2-Amino-3-hydroxybutyric acid or L-Threonine USP BP Ph Eur FCC Food Grade Supplier Exporter Manufacturers' Representative

Call Toll Free +1-855-552-6665
Toll Free: 1-855-55-AMMOL

Quick Links to Products:

Butyric Acid  |  L-Carnitine Fumarate  |  Ergocalciferol  |  Erythorbic Acid |   Eslicarbazepine Acetate  |  4-HydroxybenzaldehydeMaleic Acid  |  Malic Acid  |   L-Threonine  |  L-Tyrosine  |  and more --

L-Threonine
CAS Number: 72-19-5

Molecular Formula: C4H9NO3 or CH3CH(OH)CH(NH2)CO2H
Molecular Weight: 119.12

L-Threonine Suppliers
L-Threonine

Threonine USP Grade Specifications:
C4H9NO3 119.12
l-Threonine CAS 72-19-5
UNII: 2ZD004190S

DEFINITION
Threonine contains NLT 98.5% and NMT 101.5% of l-threonine (C4H9NO3), calculated on the dried basis.

IDENTIFICATION
A. Infrared Absorption
Residue on Ignition: NMT 0.4%
Chloride and Sulfate, Chloride: Acceptance criteria: NMT 0.05%
Chloride and Sulfate, Sulfate: NMT 0.03%
Iron: NMT 30 ppm.
Related Compounds: To pass the test.
Optical Rotation, Specific Rotation: −26.7° to −29.1°
pH: 5.0–6.5 in 50 mg/mL solution.
Loss on Drying: Dry a sample at 105C for 3 h: it loses NMT 0.2% of its weight.


L-Threonine FCC Food Grade Specifications:
L-2-Amino-3-hydroxybutyric Acid
C4H9NO3 Formula weight 119.12
CAS 72-19-5

DESCRIPTION
L-Threonine occurs as a white, crystalline powder. It is freely soluble in water, and insoluble in alcohol, in ether, and in chloroform. It melts with decomposition at about 256C.
Function: Nutrient.

REQUIREMENTS
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 C4H9NO3, calculated on the dried basis.
Lead: Not more than 5 mg/kg.
Loss on Drying: Not more than 0.2%.
Optical (Specific) Rotation: [α]D20°: Between −26.5° and −29.0°, calculated on the dried basis; or [α]D25°: Between −25.8° and −28.8°, calculated on the dried basis.
Residue on Ignition: Not more than 0.1%.


We also supply Threonine EP BP Ph Eur Grade.

Please visit SDS Safety Data Sheet of L-Threonine 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.

Pallet Drums Bottles Pail Container

Suppliers and Manufacturers' Representative:
American Molecules - Ammol.org USA
9910 Bent Oak Dr
Houston, TX 77040, USA
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665
Email: info@ammol.org

12 February, 2026