Methyl L-Pyroglutamate(CAS 4931-66-2)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 5G | In Stock | 2 USD
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| 98% | RG | 25G | In Stock | 5 USD
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| 98% | RG | 100G | In Stock | 15 USD
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| 98% | RG | 500G | In Stock | 64 USD
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| 98% | RG | 2.5KG | In Stock | 302 USD
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| 98% | RG | 10KG | In Stock | 1149 USD
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Applications of 4931-66-2
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Chemicals | Intermediate for peptide drug synthesis | Used in the synthesis of pyroglutamic acid-containing peptide drugs such as thyrotropin-releasing hormone (TRH), serving as an N-terminal protecting group or structural unit in solid-phase or solution-phase peptide synthesis. |
| Pharmaceutical Chemicals | Building block for drug molecules | Serves as a key intermediate in synthesizing centrally active drug molecules (e.g., taltirelin impurities or derivatives), participating in amidation, hydrolysis, or coupling reactions. |
| Organic Synthesis | Chiral building block and resolving agent | Leverages its chiral structure as a chiral synthon for preparing other chiral compounds or as a derivatizing reagent in racemate resolution. |
| Biochemical Research | Enzyme inhibitor studies | Used to prepare enzyme inhibitor substrates for enzyme kinetic studies and inhibitor screening assays. |
Physical and chemical properties of 4931-66-2
Acidity coefficient |
14.65±0.40(Predicted) |
|---|---|
Boiling Point |
304.7±35.0 °C at 760 mmHg |
Density |
1.2±0.1 g/cm3 |
Exact Mass |
143.058243 |
Flash Point |
138.1±25.9 °C |
Index of Refraction |
1.465 |
LogP |
-1.92 |
Molecular Formula |
C6H9NO3 |
Molecular Weight |
143.141 |
optical activity |
[α]20/D +10.5°, c = 1 in ethanol |
PSA |
55.40000 |
Specific rotation |
10.5 º (c=1, EtOH) |
Storage condition |
Inert atmosphere,Room Temperature |
Vapour Pressure |
0.0±0.6 mmHg at 25°C |
Spectrums of 4931-66-2
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 4931-66-2
Cas:71-36-3
Cas:98-79-3
Cas:7664-93-9
Cas:7757-82-6
Q&A for CAS 4931-66-2
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
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Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Download SDS of 4931-66-2
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 4931-66-2
Operate under the ISO 9001 system
