
CAS Number: 161599-46-8
Chemical Name: 2′,3′-Di-O-acetyl-5′-deoxy-5-fluoro-D-cytidine
IUPAC Name:
(2R,3S,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-(acetyloxymethyl)oxolane-3,4-diyl diacetate
Synonyms:
2′,3′-Diacetyl-5′-deoxy-5-fluorocytidine;
Protected 5-fluoro-D-cytidine derivative;
Di-O-acetyl 5-fluoro cytidine intermediate
Molecular Formula: C₁₃H₁₆FN₃O₇
Molecular Weight: ~345.28 g/mol
Appearance: White to off-white crystalline powder
Physical State: Solid
Melting Point: Typically reported in the range of 150–170 °C (may vary depending on purity)
Boiling Point: Not applicable (decomposes upon strong heating)
Solubility:
Soluble in polar organic solvents such as methanol, ethanol, acetonitrile, and DMSO; limited solubility in water due to acetyl protection
Stability:
Stable under dry, controlled laboratory conditions; hydrolyzes under strongly acidic or basic conditions; sensitive to prolonged moisture exposure
Fluorinated pyrimidine base (5-fluorocytosine moiety)
Ribose sugar derivative
Two acetyl ester groups (–OCOCH₃)
Amide (cytosine carbonyl group)
Heterocyclic nitrogen atoms
Fluorinated nucleoside derivative / Protected pyrimidine nucleoside
SMILES (representative):
CC(=O)O[C@H]1C@HC@HO[C@H]1CO
InChI Key (representative):
(Varies by database; available from chemical registries)
161599-46-8 is a protected fluorinated nucleoside used primarily as an intermediate in pharmaceutical synthesis. The acetyl groups serve to:
Protect hydroxyl functionalities
Improve lipophilicity
Enhance reaction selectivity
Enable controlled deprotection in multi-step synthesis
The 5-fluoro substitution significantly modifies biological activity and metabolic stability.
This compound is widely used in:
Anticancer drug development
Antiviral research
Synthesis of fluoropyrimidine-based APIs
Preparation of nucleoside analog therapeutics
Fluorinated cytidine derivatives are structurally related to well-known chemotherapeutic agents used in oncology.
Commonly employed in:
Synthesis of modified RNA/DNA building blocks
Development of prodrug strategies
Glycosylation and phosphorylation reactions
Structure–activity relationship (SAR) studies
Acetyl protection enhances membrane permeability and improves handling during synthetic processes.
Used in:
Medicinal chemistry laboratories
Oncology drug research
Antimetabolite development programs
Enzyme inhibition studies
Advanced carbohydrate chemistry research
Its dual nature as both a nucleobase and sugar-modified compound makes it highly valuable in nucleoside chemistry.
Harmful if swallowed
May cause skin and eye irritation
May cause respiratory irritation
H302: Harmful if swallowed
H315: Causes skin irritation
H319: Causes serious eye irritation
H335: May cause respiratory irritation
P261: Avoid breathing dust
P280: Wear protective gloves and eye protection
P305 + P351 + P338: IF IN EYES, rinse cautiously with water
P301 + P312: IF SWALLOWED, call a doctor if you feel unwell
Handle in a well-ventilated laboratory using appropriate personal protective equipment (PPE).
Typical Purity: 98–99% (Research and Pharmaceutical Intermediate Grade)
Storage Conditions:
Store in a tightly sealed container
Keep in a cool, dry environment
Protect from moisture and direct sunlight
Avoid strong acids and bases
Commercial Use:
Available from specialty chemical manufacturers for pharmaceutical intermediate production, nucleoside synthesis, and advanced research applications.
Not intended for direct pharmaceutical, food, or diagnostic use without proper regulatory compliance.
161599-46-8 (2′,3′-DI-O-ACETYL-5′-DEOXY-5-FLUORO-D-CYTIDINE) is an important fluorinated nucleoside intermediate widely utilized in pharmaceutical and medicinal chemistry applications. Its acetyl-protected sugar moiety and 5-fluoro-substituted cytosine base make it a valuable building block in anticancer, antiviral, and nucleoside analog research, supporting advanced synthetic and therapeutic development programs.
As a trusted manufacturer and supplier in Hyderabad, SriniChem provides high-quality 161599-46-8 (2′,3′-DI-O-ACETYL-5′-DEOXY-5-FLUORO-D-CYTIDINE) produced under strict quality control standards. Our product, with CAS No: 161599-46-8, is suitable for both research and industrial use. Choose SriniChem for reliable supply, technical expertise, and customer-focused service. Contact SriniChem today for 2′,3′-DI-O-ACETYL-5′-DEOXY-5-FLUORO-D-CYTIDINE.