Description

Carbonic Acid, Ethyl 4-Hydroxy-2,3,5-Trimethylphenyl Ester (9Ci) is a specialized organic ester compound with the CAS registry number 816456-16-3. This high-purity intermediate is valued for its role in the synthesis of advanced chemical products, offering precise reactivity and structural integrity. It is primarily sought by pharmaceutical, agrochemical, and fine chemical manufacturers for research, development, and production processes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, including dyes, pigments, and performance materials.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D laboratories for constructing complex molecular architectures.
• Polymer Chemistry: Potential monomer or modifier in the development of specialty polymers with tailored properties.

Basic Information

Product Name	Carbonic Acid, Ethyl 4-Hydroxy-2,3,5-Trimethylphenyl Ester (9Ci)
CAS No.	816456-16-3
Molecular Formula	C12H16O4
Molecular Weight	224.25 g/mol
Synonyms	Ethyl 4-Hydroxy-2,3,5-trimethylphenyl Carbonate; 4-Hydroxy-2,3,5-trimethylphenyl Ethyl Carbonate; 2,3,5-Trimethyl-4-hydroxyphenyl Ethyl Carbonate; Ethyl (4-Hydroxy-2,3,5-trimethylphenyl) Carbonate; 9CI Compound 816456-16-3; 4-Hydroxy-2,3,5-trimethylphenol Ethyl Carbonate
EINECS	Contact for details

Quality Control

Our production of Carbonic Acid, Ethyl 4-Hydroxy-2,3,5-Trimethylphenyl Ester (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory 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 (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider an inert atmosphere to maintain product stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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