Description

D-Ribonic Acid, γ-Lactone, 5-(Hydrogen Ethanedioate) (9Ci) is a specialized organic compound belonging to the class of ribonic acid derivatives. This chemical serves as a valuable chiral building block and synthetic intermediate in advanced organic synthesis. It is primarily required by pharmaceutical R&D, fine chemical manufacturers, and academic research institutions for developing novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of nucleoside analogs, antiviral agents, and other chiral active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used as a chiral synthon for constructing complex natural products and specialty chemicals with defined stereochemistry.
• Biochemical Research: Employed in studies related to carbohydrate metabolism and as a substrate or inhibitor for enzymatic studies.
• Cosmetic Ingredient Development: Potential intermediate for synthesizing sugar-based moisturizers or mild surfactants (subject to regulatory approval).
• Academic & Industrial R&D: Serves as a versatile starting material for methodological development in organic and medicinal chemistry.

Basic Information

Item	Details
Product Name	D-Ribonic Acid, γ-Lactone, 5-(Hydrogen Ethanedioate) (9Ci)
CAS No.	778531-86-5
Molecular Formula	C7H8O8
Molecular Weight	220.13 g/mol
Synonyms	5-O-(Carboxyacetyl)-D-ribono-1,4-lactone; D-Ribono-1,4-lactone, 5-(hydrogen oxalate); 5-O-Oxalyl-D-ribono-1,4-lactone; D-Ribonic acid γ-lactone 5-hydrogen oxalate; (3R,4S,5R)-5-[(Carboxyacetyl)oxy]tetrahydro-4-hydroxy-3-furanone; Ribono-1,4-lactone, 5-O-(carboxyacetyl)-, D-; 778531-86-5
EINECS	Contact for details

Quality Control

Our production of D-Ribonic Acid, γ-Lactone, 5-(Hydrogen Ethanedioate) (9Ci) adheres to stringent internal quality protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under dry conditions to prevent product degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 98.0% ee
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.