Diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate
Diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate (CAS 632-93-9) is a chemical compound with the molecular formula C14H21NO4 and a molecular weight of 267.32. This heterocyclic compound is primarily utilised as a building block in chemical synthesis. Its applications are often related to research in organic chemistry and biochemical studies, specifically in areas investigating cellular processes and drug development. It is supplied by Tech Serve Solutions for laboratory and industrial research purposes.
- IUPAC
- 3,5-Dicarbethoxy-1,4-dihydrocollidine,DDC
- Synonyms
- 3,5-Dicarbethoxy-1,4-dihydrocollidine,DDC,6-trimethyl-3,5-pyridinedicarboxylate

Chemical Synthesis Intermediate
This compound serves as a valuable intermediate in the synthesis of more complex organic molecules. Its dihydropyridine structure makes it a useful starting material for various chemical transformations in research and development settings.
Biochemical Research
Diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate has been documented in scientific literature for its use in inducing Mallory-Denk body formation in experimental models. This application is relevant for studies in toxicology and hepatopathology.
Heterocyclic Chemistry Building Block
As a substituted pyridine derivative, it falls into the category of heterocyclic building blocks. These are fundamental components for constructing a wide array of organic compounds with potential pharmaceutical or material science applications.
| Molecular weight | 267.32 |
|---|---|
| Empirical formula | C14H21NO4 |
| Assay | 99% |
| Application | Diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate was used to induce Mallory-Denk body formation in mice in vivo1. |
| Melting point | 130-132 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate used for?
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This compound is primarily used as a building block in chemical synthesis and in biochemical research, notably for inducing Mallory-Denk body formation in experimental studies.
What are the CAS number and molecular formula?
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The CAS number is 632-93-9 and the molecular formula is C14H21NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 99%. We do not represent it as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated in the product specifications.
How should Diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate be handled?
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This compound is a warning-level irritant to the skin, eyes, and respiratory tract. Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area. Refer to the Safety Data Sheet for full handling instructions.
Is this chemical exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote?
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Please contact our sales team through the website or by phone to request a sample or a quotation for Diethyl 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylate.
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