Lactones
Apexbio Technology LLC Ribonic acid gamma lactone 5336-08-3 100mg
Ribonic acid gamma lactone (CAS 5336-08-3) is a small-molecule inhibitor targeting -galactosidase derived from Escherichia coli It is designed to inhibit enzyme activity thereby interfering with substrate hydrolysis in carbohydrate metabolic pathways Ribonic acid gamma lactone exerts its biological activity primarily through competitive binding to the active site of -galactosidase In in vitro studies ribonic acid gamma lactone demonstrates inhibitory activity with an inhibitory constant (Ki) of approximately 26 mM Based on these pharmacological properties ribonic acid gamma lactone holds research potential in studies examining enzyme-substrate interactions and carbohydrate metabolism mediated by bacterial -galactosidase
Medchemexpress LLC Fc gamma RIIIA/CD16a 10ug | 10ug
Fc gamma RIIIA/CD16a protein is a receptor for the Fc fragment of IgG and activates antibody-dependent cellular cytotoxicity (ADCC) upon binding to antigen-IgG complexes It mediates IgG effector functions on NK cells generating memory-like adaptive NK cells to efficiently eliminate virally infected cells Fc gamma RIIIA/CD16a Protein Human (F176V HEK293 SUMO-His) is the recombinant human-derived Fc gamma RIIIA/CD16a protein expressed by HEK293 with C-His N-SUMO labeled tag and F176V mutation
Medchemexpress LLC Duocarmycin GA | 1613286-59-1 | 99.0% | 476.95 g/mol | C26H25ClN4O3 | 1 MG
Duocarmycin GA is a DNA-alkylating cytotoxin used as a research-grade antibody-drug conjugate (ADC) payload that binds in the minor groove of DNA and is active against multi-drug-resistant cell lines.
- High purity of 99.0%.
- Molecular weight 476.95 g/mol and formula C26H25ClN4O3.
- Available in mg-scale quantities suitable for conjugation and in vitro studies.
- Solid form, light yellow to yellow, facilitating handling for synthesis workflows.
- Store protected from light under nitrogen at -20°C; in solvent, store at -80°C up to 6 months.
![eMolecules (1S,3aR,6aS)-Ethyl octahydrocyclopenta[c]pyrrole-1-carboxylate hydrochloride | 1147103-42-1 | MFCD21606967 | 1g](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502132320.JPG-250.jpg)
eMolecules (1S,3aR,6aS)-Ethyl octahydrocyclopenta[c]pyrrole-1-carboxylate hydrochloride | 1147103-42-1 | MFCD21606967 | 1g
Ambeed | (1S,3aR,6aS)-Ethyl octahydrocyclopenta[c]pyrrole-1-carboxylate hydrochloride | 1g | 600833556 | A202016 | | 1147103-42-1 | MFCD21606967 | 219.710 | C10H18ClNO2
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Medchemexpress LLC Fc gamma RIIIA/CD16a 100ug
Recombinant human FcγRIIIa/CD16a extracellular domain produced in HEK293 cells with a C-terminal 6xHis tag. Supplied as a lyophilized powder formulated from PBS or 20 mM phosphate buffer with 150 mM NaCl, the protein is intended for in vitro binding studies, antibody-dependent cellular cytotoxicity (ADCC) assays, and other applications requiring human Fc receptor protein.
- Expression in HEK293 cells preserves native glycosylation.
- C-terminal 6xHis tag enables affinity purification and detection.
- Lyophilized format improves stability and storage life.
- Suitable for binding assays and ADCC functional studies.
- Molecular weight consistent with extracellular domain (36-44 kDa).
Medchemexpress LLC Gamma-glutamyl-arginine | 31106-03-3 | 97.7% | 303.31 | C11H21N5O5 | 10 MG
Gamma-glutamyl-arginine (L-γ-glutamyl-L-arginine) is a γ-glutamic acid-derived dipeptide isolated from Panax ginseng. Supplied as a purified research chemical (purity ~97.7%), it is intended for biochemical and natural product research and is provided with supporting documentation such as a certificate of analysis and a safety data sheet.
- Dipeptide structure: composed of γ-glutamic acid and arginine.
- High purity suitable for analytical and biochemical applications.
- Supplied in small quantities appropriate for research workflows.
- Documentation provided: COA and SDS for handling and quality verification.
- Molecular weight approximately 303.31 g/mol.
Medchemexpress LLC Recombinant human interferon gamma | 98059-61-1 | >95.0% | 500UG
Recombinant human interferon-gamma (IFN-γ) is a biologically active cytokine provided as a lyophilized protein for immunology and cell-signaling research. It corresponds to the mature human IFN-γ sequence (Q24-Q166), is expressed in E. coli, and is characterized for purity, activity, and low endotoxin for reliable experimental use.
- Biologically active recombinant human IFN-γ for cell signaling and immunology assays.
- Purity greater than 95% by reducing SDS-PAGE.
- Specific activity >1 x 10^6 units/mg; ED50 <1 ng/mL (HT-29 assay).
- Low endotoxin level: <1 EU/μg (LAL).
- Lyophilized formulation with stabilizers for improved shelf life.
- Expressed in E. coli; mature sequence Q24-Q166.
- Predicted mass ~16.7 kDa (≈16-18 kDa by SDS-PAGE).
- Store at -20°C; after reconstitution stable at 4°C for 1 week or frozen for long-term storage.
Medchemexpress LLC Fc gamma receptor IIa (CD32a) recombinant protein, rhesus macaque, C-terminal His tag | >95.0% | 100 UG
Recombinant extracellular fragment of rhesus macaque Fc gamma receptor IIa (CD32a), expressed in HEK293 cells and supplied with a C-terminal His tag. Provided lyophilized for use in binding and functional assays such as ELISA.
- Sequence range Q34-I217.
- Expression system HEK293 cells.
- Tag C-terminal His tag.
- Observed molecular weight ~25-35 kDa by SDS-PAGE.
- Purity >95% by reducing SDS-PAGE.
- Formulation lyophilized from PBS, pH 7.4.
- Recommended reconstitution concentration ≥100 μg/mL in ddH2O.
- Storage store at -20°C; after reconstitution 4°C for 1 week or -20°C long term; freeze aliquots for extended storage.
Medchemexpress LLC Fc gamma RIIIA/CD16a protein, rat (HEK293, C-His) | ≥98.0% | 100 UG
Recombinant rat Fc gamma RIIIA/CD16a protein expressed in HEK293 cells and supplied with a C-terminal His tag for detection and purification. The material is provided lyophilized with accompanying COA and datasheet and is intended for use in binding and functional assays, including ADCC-related studies.
- Recombinant rat FcγRIIIA/CD16a expressed in HEK293 cells.
- C-terminal His tag for purification and detection.
- High purity, ≥98.0% (COA) and >95% by reducing SDS-PAGE.
- Suitable for binding and ADCC-related functional assays; ED50 ≈93 ng/mL for human IgG1 binding.
- Lyophilized from PBS, pH 7.4; reconstitute to ≥100 μg/mL.
- Store at -20°C for long-term storage; 4°C stability for 1 week after reconstitution.
- Carrier protein recommended for reconstitution/storage (0.1% BSA, 5% HSA, 10% FBS, or 5% trehalose).
Medchemexpress LLC Interferon gamma receptor 1, rat, Fc fusion protein | >95.0% | 2 UG
Recombinant rat interferon-gamma receptor 1 (IFN-gamma R1/CD119) extracellular domain expressed in HEK293 cells and provided as an Fc fusion for enhanced stability. Intended for research use in immunology, receptor-ligand interaction studies, and assay development; supplied in microgram-scale sizes with recommended storage and handling for protein reagents.
- Expressed in HEK293 cells for mammalian post-translational modifications.
- Fc tag for increased stability and dimerization.
- Purity greater than 95% as determined by reducing SDS-PAGE.
- Available in microgram-scale sizes suitable for assay development.
- Suitable for receptor binding, biochemical assays, and antibody characterization.
- Supplied with handling and storage guidance for protein reagents.
Medchemexpress LLC Gamma-undecalactone | 104-67-6 | MFCD00005405 | 99.0% | 184.28 | C11H20O2 | 50 MG
Gamma-undecalactone (CAS 104-67-6) is a gamma-lactone compound used as a biochemical reagent and as a flavor and fragrance intermediate in research and analytical settings. It serves as a chromatographic standard and sensory reference material for formulation, analytical method development, and flavor chemistry studies.
- Used as a biochemical reagent and flavor/fragrance intermediate.
- High purity: 98.96% as stated by the supplier.
- Molecular weight 184.28 g/mol for stoichiometric and analytical calculations.
- Supplied in small analytical quantities suitable for method development and standards.
- Compatible with common organic solvents such as DMSO for sample preparation.
eMolecules (S)-4-Methyl-2-(hydroxymethyl)morpholine | 1159598-33-0 | MFCD16294695 | 1g
WuXi ChemSupply | (S)-4-Methyl-2-(hydroxymethyl)morpholine | 1g | 599168732 | LN01378238 | 95.000 | 1159598-33-0 | MFCD16294695 | 131.175 | C6H13NO2
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Medchemexpress LLC SIRP gamma Cynomolg 10ug | 10ug
SIRP gamma Protein a member of signal-regulatory protein (SIRP) family is the only SIRP detected on T cells and activated NK cells SIRP gamma can bind CD47 providing T cells and NK cells with a cell surface molecule capable of interacting with CD47 SIRP gamma-CD47 interaction mediates strong cell-cell adhesion and supports T cell-APC contact enhancing antigen presentation and consequent T-cell proliferation and cytokine secretion SIRP gamma Protein Cynomolgus (HEK293 His) is the recombinant cynomolgus-derived SIRP gamma protein expressed by HEK293 with C-His labeled tag
eMolecules (2R,4R)-1-BOC-2-HYDROXYMETHYL-4-AMINO PYRROLIDINE-HCL | 1217803-39-8 | MFCD11101163 | 1g
AstaTech | (2R,4R)-1-BOC-2-HYDROXYMETHYL-4-AMINO PYRROLIDINE-HCL | 1g | 233627353 | 36157 | 95.000 | 1217803-39-8 | MFCD11101163 | 252.740 | C10H21ClN2O3
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Medchemexpress LLC Bd-1008 dihydrobromide | 138356-09-9 | 98.1% | 463.08 g/mol | C15H24Br2Cl2N2 | 25 MG
BD-1008 dihydrobromide is a research-grade sigma (σ) receptor antagonist used in neuropharmacology and addiction-related studies. It is commonly applied in receptor binding assays, dopamine microdialysis, and preclinical pharmacology to probe σ receptor function and dopaminergic signaling.
- High affinity for σ1 and σ2 receptors (Ki ≈ 2 nM and 8 nM).
- Low affinity for D2 receptor and dopamine transporter, reducing off-target effects.
- High purity (98.07%), suitable for research applications.
- Available in small research pack sizes, including 25 MG.
- Solid form with molecular weight of approximately 463.08 g/mol.