Buy CAS 28578-16-7 PMK ethyl glycidate

Buy CAS 28578-16-7 PMK ethyl glycidate

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Buy CAS 28578-16-7 PMK ethyl glycidate

Buy CAS 28578-16-7 PMK ethyl glycidate

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PMK ethyl glycidate

Buy CAS 28578-16-7 PMK ethyl glycidate

 

PMK ethyl glycidate Structure

PMK ethyl glycidate structure
 Common Name PMK ethyl glycidate
CAS Number 28578-16-7 Molecular Weight 250.247
Density 1.3±0.1 g/cm3 Boiling Point 327.8±42.0 °C at 760 mmHg
Molecular Formula C13H14O5 Melting Point N/A
MSDS N/A Flash Point 143.0±27.9 °C
Purity Quantity Budget Inquiry

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.3±0.1 g/cm3
Boiling Point 327.8±42.0 °C at 760 mmHg
Molecular Formula C13H14O5
Molecular Weight 250.247
Flash Point 143.0±27.9 °C
Exact Mass 250.084122
PSA 57.29000
LogP 2.29
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.554
InChIKey BRILFEZHPXQINW-UHFFFAOYSA-N
SMILES CCOC(=O)C1(C)OC1c1ccc2c(c1)OCO2

Synthetic Route

Buy PMK ethyl glycidate

PMK ethyl glycidate, also known as the ethyl ester of 3,4-methylenedioxyphenyl-2-propanone acid, is a chemical precursor similar to PMK methyl glycidate but with an ethyl group instead of a methyl group.

Synonyms:

28578-16-7
ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate
2-Oxiranecarboxylic acid, 3-(1,3-benzodioxol-5-yl)-2-methyl-, ethyl ester
Ethyl 3-(2H-1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate
2-Oxiranecarboxylicacid, 3-(1,3-benzodioxol-5-yl)-2-methyl-, ethyl ester
PMK ethyl glycidate

Key Characteristics:

  1. Chemical formula: C13H14O5
  2. Cas number: 28578-16-7
  3. Molecular weight: approximately 250.25 g/mol
  4. Physical state: Typically, it is a solid substance that is well soluble in organic solvents.
  5. Boiling point: 327.8±42.0 °C(Predicted)
  6. Density:  1.302±0.06 g/cm3(Predicted)

PMK ethyl glycidate (3,4-MDP-2-P ethyl glycidate) CAS 28578-16-7

Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate

Precursor SynthesisDarzens CondensationGlycidic Ester Yield

⚠ Attention: For research use only. Not for human or veterinary use.
Molecular FormulaC13H14O5
Molecular Weight250.25 g/mol
CAS No.28578-16-7
Cat. No.B163298
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Technical Parameters

Basic Identity
Product Name Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate
CAS 28578-16-7
Synonyms
NSC 195099
Molecular Formula C13H14O5
Molecular Weight 250.25 g/mol
Structural Identifiers
SMILES CCOC(=O)C1(C(O1)C2=CC3=C(C=C2)OCO3)C
InChI InChI=1S/C13H14O5/c1-3-15-12(14)13(2)11(18-13)8-4-5-9-10(6-8)17-7-16-9/h4-6,11H,3,7H2,1-2H3
InChIKey BRILFEZHPXQINW-UHFFFAOYSA-N
Commercial & Availability
Standard Pack Sizes 1 mg / 5 mg / Bulk Custom
Availability In Stock
Custom Synthesis Available on request

Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate (CAS 28578-16-7): A Key PMK Glycidate Procurement and Research Overview

Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate, commonly referred to as PMK ethyl glycidate, is a synthetic glycidic ester bearing a 1,3-benzodioxole (methylenedioxyphenyl) ring and an oxirane epoxide moiety. It is structurally classified within the family of piperonyl methyl ketone (PMK) glycidate pre-precursors [1]. This compound serves as a critical intermediate in organic synthesis, primarily known as an immediate precursor to 3,4-methylenedioxyphenyl-2-propanone (PMK), which is further used in the manufacture of methylenedioxy phenethylamines and amphetamines [2]. Its physicochemical profile includes a predicted boiling point of 327.8±42.0 °C and solubilities of 15 mg/mL in DMF, 30 mg/mL in DMSO, and 10 mg/mL in ethanol, positioning it within a specific solubility and thermal stability window for research applications .

Synthesis Intermediate
Glycidic ester pathway studies and precursor synthesis research.
Analytical Reference
Crystalline powder suitable for reference standard preparation and forensic analysis.
Regulatory Science
Procurement in jurisdictions with differential precursor scheduling frameworks.

Procurement Risk for Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate: Why PMK Methyl Glycidate is Not a Drop-In Replacement

Substituting PMK ethyl glycidate with its closest in-class analog, PMK methyl glycidate, introduces significant risk in synthetic workflows due to documented divergence in hydrolysis kinetics and final PMK conversion efficiency under standard conditions. While both are glycidic ester pre-precursors to the same ketone, the ester alkyl chain length directly influences the steric environment around the epoxide ring, which affects the regioselectivity and rate of the base-catalyzed hydrolysis and subsequent decarboxylation steps critical to PMK formation [1]. A class-level inference based on glycidic ester chemistry indicates that the ethyl ester may offer a more controlled hydrolysis profile compared to the methyl ester, which can be prone to rapid saponification and yield loss under basic conditions, potentially leading to batch failure if synthesis parameters are directly interchanged without re-optimization [2]. Furthermore, legal control schedules often differentiate between the methyl and ethyl esters, meaning a methyl ester procurement may be blocked or trigger additional regulatory scrutiny in jurisdictions where the ethyl ester is not yet controlled, directly impacting supply chain continuity [3].

Target (Ethyl ester)
Controlled hydrolysis kinetics under standard conditions; 48% reported synthetic yield.
Substitute (Methyl ester)
May undergo faster saponification; conversion yield not quantitatively published.
Hydrolysis profile may shift, requiring re-optimization.
Target
Crystalline solid (purple or yellow powder); 24-month shelf life.
Substitute
Semi-solid or variable crystalline consistency reported.
Handling precision may differ for analytical workflows.
Target
Not controlled in the USA (as of 2024); controlled in some Asian jurisdictions.
Substitute
Category 1 precursor in EU; List I chemical in USA.
Regulatory status diverges, affecting procurement authorization.

Quantitative Performance Benchmarks for Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate Against Key Analogs

Comparative Synthesis Yield: Ethyl Ester Darzens Condensation vs. Methyl Ester Hydrolysis Route

In a direct head-to-head comparison of synthetic methodology, the Darzens condensation of piperonal with ethyl α-bromopropionate provided the target ethyl glycidate ester in a 48% isolated yield [1]. In contrast, the hydrolysis and decarboxylation of the methyl glycidate ester (PMK methyl glycidate) to yield 3,4-methylenedioxyphenyl-2-propanone (PMK) is described as achieving a ‘high yield,’ but specific quantitative conversion data is not publicly available in the primary literature, preventing a direct, quantified comparison of overall synthetic efficiency from the ester to the ketone [2]. The 48% yield for the ethyl ester represents a validated, reproducible synthetic benchmark that purchasers can use to calculate starting material requirements and cost-per-batch for routes specifically employing the ethyl ester.

Synthesis Yield
Reported
48% isolated yield (Darzens condensation)
Validated synthetic benchmark; comparator lacks quantitative yield data.
Elks & Hey, 1943; ethyl α-bromopropionate route.
Precursor SynthesisDarzens CondensationGlycidic Ester YieldPiperonal

Physical State and Handling: Crystalline Solid vs. Semi-Solid Consistency for Accurate Formulation

PMK ethyl glycidate is characterized as a purple crystalline material [1]. In comparison, PMK methyl glycidate is described as a white, semi-solid substance (or a crystalline solid, depending on purity) [2]. The consistent crystalline solid nature of the ethyl ester facilitates precise weighing and sample preparation for analytical standards and batch formulations, reducing the technical challenges associated with handling and accurately sub-sampling semi-solid or viscous materials. A supplier specification for the compound confirms its appearance as a stable powder with a long shelf life of 24 months under recommended storage conditions [3].

Physical Form
Cross-study
Crystalline solid; stable powder, 24-month shelf life
Consistent morphology may support reproducible weighing and formulation.
Methyl ester reported as semi-solid in some forensic analyses.
Physical FormHandling SafetyAnalytical StandardCrystalline

Regulatory Scheduling Divergence: Differential Control Status Enabling Research and Industrial Procurement

A direct cross-study comparison of international legal frameworks reveals a critical procurement differentiator: PMK methyl glycidate is explicitly listed as a controlled drug precursor in Category 1 of EU Regulations (EC) No 273/2004 and No 111/2005 [1]. Conversely, as of its latest monograph in 2024, PMK ethyl glycidate was not yet controlled in the United States [2]. This asymmetry in legal control between the methyl and ethyl esters directly impacts the administrative and logistical burden of procurement. An industrial user requiring this class of glycidate intermediate can legally source the ethyl ester in markets where the methyl ester is blocked or requires special import/export licenses, providing a quantifiable advantage in supply chain continuity and regulatory compliance overhead.

Regulatory Status
Head-to-head
Ethyl: uncontrolled (USA 2024) | Methyl: Category 1 (EU), List I (USA)
Differential scheduling impacts procurement lead times and licensing requirements.
Status subject to change; verify current jurisdiction-specific regulations.
Regulatory ComplianceProcurement FlexibilityControlled SubstancesLegal Status

High-Value Application Scenarios for Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate Leveraging Its Differentiated Profile

Certified Reference Standard Formulation for Forensic Toxicology Laboratories

Forensic laboratories tasked with identifying emerging drug precursors require certified reference materials (CRMs) of the highest purity and consistent physical form. The crystalline, stable powder nature of PMK ethyl glycidate, with a documented 24-month shelf life [1], makes it a superior candidate over the semi-solid methyl glycidate for preparing calibration standards and quality control samples in GC-MS and NMR analysis. The availability of detailed NMR and mass spectral data further supports its use as a reliable analytical reference [2].

Research on Structure-Activity Relationships (SAR) in Glycidic Ester Hydrolysis

For mechanistic chemistry studies investigating the effect of ester alkyl chain length on the regioselectivity and kinetics of epoxide ring-opening during the synthesis of phenyl-2-propanones, the ethyl ester serves as an essential probe. Its behavior can be directly compared to the methyl ester to validate computational models of steric and electronic effects, leveraging the validated 48% baseline yield from the Darzens condensation as a reference point for optimized reaction development [3].

Secure Supply Chain for Industrial Precursor Syntheses in Permissive Jurisdictions

An industrial user synthesizing PMK for legitimate downstream applications (e.g., certain pharmaceutical or fragrance intermediates) but facing supply chain disruption due to the international control of PMK methyl glycidate can procure the ethyl ester as an unregulated chemical in markets like the United States (as of 2024) [4]. This circumvents the administrative delays, licensing costs, and logistical complexities associated with Category 1 precursor procurement, providing a faster and more cost-effective route to the desired PMK intermediate after re-optimizing the hydrolysis step.

Application
Selection Property
Validation Focus
Forensic reference standard preparation
Crystalline powder morphology and shelf-life documentation
GC-MS/NMR calibration stability and spectral library consistency
Glycidic ester hydrolysis SAR studies
Ester alkyl chain length effect on epoxide reactivity
Regioselectivity and yield reproducibility under controlled conditions
Industrial precursor synthesis in permissive jurisdictions
Regulatory scheduling divergence between ethyl and methyl esters
Procurement authorization context and supply continuity assessment

Quote Request

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Usage:

PMK ethyl glycidate is used as an intermediate for the production of 3,4-methylenedioxyphenyl-2-propanone (MDP2P or PMK), which is then utilized to synthesize MDMA (ecstasy) and other amphetamine analogues. This ether is easier to handle than its methyl counterpart, which can facilitate some chemical processes in the laboratory.

Additional Information

Not for food, drug, human, animal or household use. For laboratory, R&D, industrial or manufacturing only.

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Explore Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

piperonal structurepiperonal

CAS#:120-57-0

UNII:LXW30UR82C structureUNII:LXW30UR82C

CAS#:535-13-7

~%

 

PMK ethyl glycidate StructurePMK ethyl glycidate

CAS#:28578-16-7

Learn More
Literature: Darzens Comptes Rendus Hebdomadaires des Seances de l’Academie des Sciences, 1906 , vol. 142, p. 215

piperonal structurepiperonal

CAS#:120-57-0

Ethyl (2S)-2-bromopropanoate structureEthyl (2S)-2-br…

CAS#:535-11-5

~%

 

PMK ethyl glycidate StructurePMK ethyl glycidate

CAS#:28578-16-7

Learn More
Literature: Elks; Hey Journal of the Chemical Society, 1943 , p. 15

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyl-2-oxiranecarboxylate
2-Oxiranecarboxylic acid, 3-(1,3-benzodioxol-5-yl)-2-methyl-, ethyl ester
PMK ethyl glycidate

 PMK ethyl glycidate | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What English synonyms does ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate have?
A: English synonyms of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate: Ethyl 3-(1,3-benzodioxol-5-yl)-2-methyl-2-oxiranecarboxylate, 2-Oxiranecarboxylic acid, 3-(1,3-benzodioxol-5-yl)-2-methyl-, ethyl ester, PMK ethyl glycidate.
Q: What is the SMILES notation of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate?
A: SMILES notation of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate is CCOC(=O)C1(C)OC1c1ccc2c(c1)OCO2.
Q: What is the CAS number of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate?
A: CAS number of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate is 28578-16-7.
Q: What is the English name of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate?
A: The English name of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate is ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate.
Q: What is the molecular weight of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate?
A: Molecular weight of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate is 250.247.
Q: What is the InChIKey of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate?
A: InChIKey of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate is BRILFEZHPXQINW-UHFFFAOYSA-N.
Q: What are the upstream materials of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate?
A: Related upstream materials(CAS) of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate: 120-57-0;535-13-7;535-11-5.
Q: What is the boiling point of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate?
A: Boiling point of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate is 327.8±42.0 °C at 760 mmHg.
Q: What is the LogP of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate?
A: LogP of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate is 2.29.
Q: What is the molecular formula of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate?
A: Molecular formula of ethyl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate is C13H14O5.

 PMK ethyl glycidatefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

  1. PMK ethyl glycidate (CAS 28578-16-7) – Cayman Chemical

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  2. PMK ethyl glycidate | 28578-16-7 – ChemicalBook

    Oct 22, 2025 · PMK ethyl glycidate (CAS 28578-16-7) information, including chemical properties, structure, melting point, boiling …

    • Boiling point: 327.8±42.0 °C (Predicted)
    • Density: 1.302±0.06 g/cm3 (Predicted)

  3. PMK ethyl glycidate | 28578-16-7 – MilliporeSigma

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