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D-Ribose USP Dietary Supplement Grade Supplier Exporter Manufacturers' Representative

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D-Ribose or (2R,3R,4S,5R)-5-(hydroxymethyl)oxolane-2,3,4-triol
CAS Number: 50-69-1
Molecular Formula: C5H10O5
Molecular Weight: 150.13

D-Ribose or (2R,3R,4S,5R)-5-(hydroxymethyl)oxolane-2,3,4-triol

Specifications of Ribose USP Dietary Supplement:
C5H10O5 --- 150.13
(2S ,3R ,4S ,5R )-5-(Hydroxymethyl)oxolane-2,3,4-triol;    
D-Ribose CAS 50-69-1.

DEFINITION
Ribose contains NLT 98.0% and NMT 102.0% of d-ribose (C5H10O5 ), calculated on the dried basis.

IDENTIFICATION
A. Infrared Absorption
B. It meets the requirements in Optical Rotation, Specific Rotation.
C. The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay.

ASSAY
To pass the test by chromatography.
Acceptance criteria: 98.0–102.0% on the dried basis.

Residue on Ignition: NMT 0.2%
Chloride and Sulfate, Chloride: Acceptance criteria: NMT 0.002%
Chloride and Sulfate, Sulfate: Acceptance criteria: NMT 0.003%
Related Compounds: To pass the test by chromatography.
Acceptance criteria:
Arabinose: NMT 1.0%
Unspecified impurity: NMT 0.1%
Total unspecified impurities: NMT 1.0%
Optical Rotation, Specific Rotation:
Acceptance criteria:  −18.0° to −22.0°
Color of Solution:
Sample solution: Dissolve 5.0 g of Ribose in 50 mL of water. Centrifuge or filter, if necessary, to obtain a clear solution.
Blank solution: Water
Analysis: Absorbance at 430 nm in a 1-cm cell
Acceptance criteria: NMT 0.2 AU.
Loss on Drying: Analysis:  Dry at 105° for 2 h.
Acceptance criteria: NMT 0.5%

Please visit SDS Safety Data Sheet of D-Ribose 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