Pyrrolidines

Organic heterocyclic compounds that consist of a five-membered ring with four carbon atoms and one nitrogen atom that form a cyclic secondary amine.

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2,476 – 2,490 of 6,313 results

2,476

eMolecules 2182601-75-6 | NH-bis(PEG4-C2-NH-Boc) | Medchem Express (US) | MFCD31536762 | 655.827 | C30H61N3O12 | 98.000 | CC(C)(C)OC(=O)NCCOCCOCCOCCOCCNCCOCCOCCOCCOCCNC(=O)OC(C)(C)C | 250mg | 849370635

NH-bis(PEG4-C2-NH-Boc) | Medchem Express (US) | 2182601-75-6 | MFCD31536762 | 655.827 | C30H61N3O12 | 98.000 | CC(C)(C)OC(=O)NCCOCCOCCOCCOCCNCCOCCOCCOCCOCCNC(=O)OC(C)(C)C | 250mg | 849370635

Pricing & Availability

2,477

Medchemexpress LLC Boc-NH-PEG8-CH2CH2COOH | 1334169-93-5 | MFCD13185254 | 99.94% | C24H47NO12 | 250 MG

Boc-NH-PEG8-CH2CH2COOH is a PEG-based PROTAC linker designed for the synthesis of PROTACs. PROTACs are innovative molecules that harness the cell's ubiquitin-proteasome system to selectively degrade target proteins, offering a novel approach in drug discovery.

PEG-based PROTAC linker
Used for synthesizing PROTACs
Utilizes the intracellular ubiquitin-proteasome system
Selectively degrades target proteins

Pricing & Availability

2,478

Medchemexpress LLC 1-BOC-4-(2-Hydroxyethyl)piperazine-d4 | 1219802-10-4 | 99% | 234.33 | 25 MG

1-BOC-4-(2-Hydroxyethyl)piperazine-d4 is the deuterium labeled 1-BOC-4-(2-Hydroxyethyl)piperazine. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.

Can be used as a tracer.
Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.

Pricing & Availability

2,479

Medchemexpress LLC Carbonic anhydrase 8 protein, mouse (His-tag) | 100 UG

Recombinant full-length mouse carbonic anhydrase 8 (CA8) with a C-terminal His tag, expressed in Escherichia coli and supplied lyophilized for research use. The product has low endotoxin levels and includes recommended storage and reconstitution instructions to support biochemical and cell-based assays.

Full-length sequence, 291 amino acids.
C-terminal His tag for purification and detection.
Expressed in Escherichia coli.
Lyophilized from 50 mM Tris-HCl, 300 mM NaCl, pH 7.4 buffer.
Endotoxin level <1 EU/μg (LAL), suitable for sensitive assays.
Stable at -20 °C; freeze aliquots at -20 °C or -80 °C for long-term storage.
Recommended reconstitution concentration ≥100 μg/mL in ddH2O.

Pricing & Availability

2,480

Medchemexpress LLC Boc-amido-PEG9-amine | 890091-43-7 | ≥98.0% | C25H52N2O11 | 100 MG

Boc-amido-PEG9-amine is a PEG-based PROTAC linker designed for the synthesis of PROTACs. PROTACs are molecules that utilize the intracellular ubiquitin-proteasome system to selectively degrade target proteins, by connecting a ligand for an E3 ubiquitin ligase with a ligand for the target protein.

PEG-based PROTAC linker
Used in the synthesis of PROTACs
PROTACs contain two different ligands connected by a linker
Exploits the intracellular ubiquitin-proteasome system
Selectively degrades target proteins
For research use only

Pricing & Availability

2,481

Medchemexpress LLC 4-phenyl-2-pyrrolidinone | 1198-97-6 | MFCD01687226 | >98.0% | 161.20 g/mol | C10H11NO | 5 G

4-Phenyl-2-pyrrolidinone (CAS 1198-97-6) is a small-molecule synthetic intermediate and precursor used in organic synthesis and medicinal chemistry research. It is supplied as a solid for research and development applications and is reported in literature as an intermediate in the synthesis of anticonvulsant and nootropic compounds.

High purity (≥98.0%) as stated on certificate of analysis.
White to off-white solid appearance.
Molecular formula C10H11NO; molecular weight 161.20 g/mol.
Suitable as a precursor and synthetic intermediate in medicinal chemistry.
Packaged for small-scale research use.

Pricing & Availability

2,482

Chem-Impex International, Inc. N-Boc-3-pyrrolidinone | 101385-93-7 | MFCD01631194 | 25G

N-Boc-3-pyrrolidinone, 101385-93-7, MFCD01631194, 25G

Pricing & Availability

2,483

Medchemexpress LLC Boc-NH-C4-Br | 164365-88-2 | 252.15 | 500 MG

Boc-NH-C4-Br is an alkyl chain-based PROTAC linker used in the synthesis of PROTACs. PROTACs are compounds that contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. They exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.

Alkyl chain-based PROTAC linker
Used in the synthesis of PROTACs
Exploits the intracellular ubiquitin-proteasome system
Selectively degrades target proteins
For research use only

Pricing & Availability

2,484

eMolecules 120205-50-7 | N-Boc-dolaproine | Ambeed | MFCD18157735 | 287.356 | C14H25NO5 | 95.000 | CO[C@H]([C@@H](C)C(O)=O)[C@@H]1CCCN1C(=O)OC(C)(C)C | 250mg | 525043584

N-Boc-dolaproine | Ambeed | 120205-50-7 | MFCD18157735 | 287.356 | C14H25NO5 | 95.000 | CO[C@H]([C@@H](C)C(O)=O)[C@@H]1CCCN1C(=O)OC(C)(C)C | 250mg | 525043584

Pricing & Availability

2,485

Medchemexpress LLC Boc-NH-PEG7-propargyl | 2112737-90-1 | >=97.0% | C22H41NO9 | 100 MG

Boc-NH-PEG7-propargyl is a PEG-based PROTAC linker used in the synthesis of PROTACs. This compound functions as a click chemistry reagent, featuring an alkyne group that facilitates copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing azide groups.

PEG-based PROTAC linker
Used in the synthesis of PROTACs
Click chemistry reagent
Contains an alkyne group
Enables copper-catalyzed azide-alkyne cycloaddition (CuAAc) with azide groups

Pricing & Availability

2,486

Medchemexpress LLC Mal-NH-PEG8-Boc | 2864817-39-8 | >98.0% | 648.74 | 500 MG

Mal-NH-PEG8-Boc is a PEG-based PROTAC linker, a chemical compound with the molecular formula C30H52N2O13 and a molecular weight of 648.74. This linker is designed for use in the synthesis of PROTACs, which are bifunctional molecules that induce the degradation of target proteins. It is generally supplied as an oil with a purity greater than 98%. The product is recommended to be stored at 4°C under nitrogen to maintain its stability.

Functions as a PROTAC linker
PEG-based structure enhances solubility
Chemical formula: C30H52N2O13
Molecular weight: 648.74
Purity typically greater than 98%
Appears as an oil
Used in the synthesis of PROTACs

Pricing & Availability

2,487

Medchemexpress LLC Carbonic anhydrase 9 protein (canine, recombinant, C-terminal His tag) | 5 UG

Recombinant canine Carbonic Anhydrase 9 (CA9) produced in HEK293 cells with a C-terminal His tag. CA9 catalyzes the reversible hydration of carbon dioxide to bicarbonate and protons and is commonly used in biochemical and cell-biology research related to pH regulation and tumor biology.

Recombinant canine origin expressed in HEK293 cells.
C-terminal His tag enables purification and detection.
Functionally relevant enzyme for pH regulation and tumor biology studies.
Suitable for biochemical and cell-based assays.

Pricing & Availability

2,488

Medchemexpress LLC (R,S,S,R,S)-Boc-Dap-NE | 2994330-72-0 | 97.1% | 420.54 | C23H36N2O5 | 10 MG

(R,S,S,R,S)-Boc-Dap-NE is the inactive stereoisomer of Boc-Dap-NE supplied as a research chemical and synthetic intermediate. It is intended for use as an experimental control and as a building-block intermediate in the synthesis of monomethyl auristatin E; safety documentation and analytical data are provided for research use.

Inactive stereoisomer suitable as experimental control.
Serves as intermediate in monomethyl auristatin E synthesis.
Supplied in a 10 MG quantity for laboratory use.
Reported purity approximately 97.1%.
Molecular weight 420.54 g·mol⁻¹; formula C23H36N2O5.

Pricing & Availability

2,489

Medchemexpress LLC (S,S,R,S,R)-Boc-Dap-NE | 3026595-14-9 | >98.0% | 420.54 g/mol | C23H36N2O5 | 10 MG

(S,S,R,S,R)-Boc-Dap-NE is a Boc-protected diaminopropionic dipeptide isomer used as a drug intermediate in the synthesis of monomethyl auristatin E and related antibody-drug conjugate payloads. Supplied in small research quantities for medicinal chemistry and ADC payload synthesis.

Drug intermediate suitable for ADC payload synthesis.
Purity greater than 98.0%.
Molecular formula C23H36N2O5.
Molecular weight 420.54 g/mol.
CAS number 3026595-14-9.
Soluble in DMSO: 200 mg/mL (ultrasonic); 10 mM in DMSO.
Available in small research sizes (10 mg, 25 mg, 100 mg).

Pricing & Availability

2,490

Medchemexpress LLC 4-(4-Boc-piperazinemethyl)phenylboronic acid pinacol ester | 470478-90-1 | 98.5% | C21H33BN2O4 | 500 MG

This product, 4-(4-Boc-piperazinemethyl)phenylboronic acid pinacol ester, functions as a PROTAC linker, utilized in the synthesis of compounds such as CST905. PROTACs are designed to leverage the intracellular ubiquitin-proteasome system, enabling the selective degradation of target proteins by linking a ligand for an E3 ubiquitin ligase with a ligand for the target protein. This compound appears as a white to light yellow solid and is designated for research purposes only.

Functions as a PROTAC linker
Used in the synthesis of CST905
Exploits ubiquitin-proteasome system for selective protein degradation
Appears as a white to light yellow solid
For research use only

Pricing & Availability

Pyrrolidines

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Medchemexpress LLC Boc-NH-PEG8-CH2CH2COOH | 1334169-93-5 | MFCD13185254 | 99.94% | C24H47NO12 | 250 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 1-BOC-4-(2-Hydroxyethyl)piperazine-d4 | 1219802-10-4 | 99% | 234.33 | 25 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Carbonic anhydrase 8 protein, mouse (His-tag) | 100 UG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Boc-amido-PEG9-amine | 890091-43-7 | ≥98.0% | C25H52N2O11 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 4-phenyl-2-pyrrolidinone | 1198-97-6 | MFCD01687226 | >98.0% | 161.20 g/mol | C10H11NO | 5 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Boc-NH-C4-Br | 164365-88-2 | 252.15 | 500 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Boc-NH-PEG7-propargyl | 2112737-90-1 | >=97.0% | C22H41NO9 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Mal-NH-PEG8-Boc | 2864817-39-8 | >98.0% | 648.74 | 500 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Carbonic anhydrase 9 protein (canine, recombinant, C-terminal His tag) | 5 UG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC (R,S,S,R,S)-Boc-Dap-NE | 2994330-72-0 | 97.1% | 420.54 | C23H36N2O5 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC (S,S,R,S,R)-Boc-Dap-NE | 3026595-14-9 | >98.0% | 420.54 g/mol | C23H36N2O5 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC 4-(4-Boc-piperazinemethyl)phenylboronic acid pinacol ester | 470478-90-1 | 98.5% | C21H33BN2O4 | 500 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More