Organometallic Compounds

Medchemexpress LLC Bis-PEG3-acid | 96517-92-9 | 97.0% | 250 MG

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Bis-PEG3-acid is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.

• PEG-based PROTAC linker
• Used in the synthesis of PROTACs
• Exploits the intracellular ubiquitin-proteasome system
• Selectively degrades target proteins
• Intended for research use only
• Not sold to patients
• Viscous liquid appearance
• Colorless to light yellow color

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Medchemexpress LLC 3-(Trimethylsilyl)propanoic acid-d4 (sodium) | 24493-21-8 | MFCD00002762 | 98.0% | 172.27 | C6H9D4NaO2Si | 25 MG

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3-(Trimethylsilyl)propanoic acid-d4 sodium is a deuterium-labeled sodium salt used primarily as an internal standard for nuclear magnetic resonance (NMR) and as a tracer or internal standard in quantitative mass-spectrometry methods. The compound is typically supplied as a white crystalline powder with reported molecular weight 172.27, CAS number 24493-21-8, and high purity for analytical use.

• Deuterium-labeled sodium salt suitable for NMR internal standard use.
• Applicable as an internal standard or tracer for quantitative NMR, GC-MS, and LC-MS.
• Molecular weight 172.27 and CAS 24493-21-8 for unambiguous identification.
• High purity (98.0%) to support accurate quantitative analyses.
• White crystalline powder; store sealed at 4 °C and protect from moisture.

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Medchemexpress LLC 3-(trimethylsilyl)propanoic acid-d4 (sodium) | 24493-21-8 | MFCD00002762 | 98.0% | 172.27 | C6H9D4NaO2Si | 5 MG

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3-(Trimethylsilyl)propanoic acid-d4 sodium is a deuterium-labeled sodium salt of trimethylsilylpropionic acid supplied as a solid analytical standard for NMR and mass-spectrometry applications. It offers high isotopic labeling and chemical purity for reliable quantitative analyses.

• Deuterium-labeled internal standard for NMR, GC-MS, and LC-MS.
• High chemical purity: 98.0%.
• Molecular weight 172.27 and formula C6H9D4NaO2Si for accurate calculations.
• Available in small pack sizes suitable for analytical standards.
• Storage: sealed, away from moisture; 4°C recommended; in solvent: -80°C (6 months) or -20°C (1 month).
• White to off-white solid form for easy handling and weighing.
• For research use only; not for use in humans or patients.

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Apexbio Technology LLC OSI-420 free base 183321-86-0 50mg

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OSI-420 free base (CAS 183321-86-0) is an active metabolite of erlotinib (OSI-774) exhibiting inhibitory activity against epidermal growth factor receptor (EGFR) tyrosine kinase Mechanistically OSI-420 inhibits EGFR by binding competitively to the ATP-binding site within the intracellular kinase domain thus preventing receptor autophosphorylation and subsequent signaling Additionally through EGFR inhibition it can trigger apoptosis via mitochondrial disruption including loss of mitochondrial membrane potential and cytochrome c release OSI-420 is utilized in biomedical research for studying EGFR-related signaling pathways and apoptosis mechanisms

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Medchemexpress LLC Tos-PEG3 | 77544-68-4 | 97.0% | 304.36 | 10 G

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Tos-PEG3 is a PEG-based PROTAC linker that can be utilized in the synthesis of PROTACs. It can also be used for the synthesis of 3'-aminooxy oligonucleotides solid supports.

• Utilized in the synthesis of PROTACs.
• Can be used for the synthesis of 3'-aminooxy oligonucleotides solid supports.

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Medchemexpress LLC (R)-2-amino-3-cyclobutylpropanoic acid | 174266-00-3 | MFCD09264348 | 97.0% | 143.18 | 5 G

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(R)-2-amino-3-cyclobutylpropanoic acid is an alanine derivative. Amino acids and amino acid derivatives are commercially used as ergogenic supplements. They influence the secretion of anabolic hormones, supply of fuel during exercise, mental performance during stress-related tasks, and prevent exercise-induced muscle damage. They are recognized to be beneficial as ergogenic dietary substances.

• Alanine derivative
• Can be used as an ergogenic supplement
• Influences secretion of anabolic hormones
• Supplies fuel during exercise
• Improves mental performance during stress-related tasks
• Prevents exercise-induced muscle damage

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Medchemexpress LLC Tos-PEG3 | 77544-68-4 | 97.0% | 304.36 | 50 G

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Tos-PEG3 is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. It can also be utilized for the synthesis of 3'-aminooxy oligonucleotides solid supports.

• PEG-based PROTAC linker
• Can be used in the synthesis of PROTACs
• Can be utilized for the synthesis of 3'-aminooxy oligonucleotides solid supports

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eMolecules​ 164526-16-3 | (7-Amino-2,3-dihydrobenzo[1,4]dioxin-6-yl) (2-chlorophenyl)methanone | Oakwood Chemical | MFCD00561832 | 289.720 | C15H12ClNO3 | 95.000 | Nc1cc2OCCOc2cc1C(=O)c1ccccc1Cl | 100mg | 537683527

(7-Amino-2,3-dihydrobenzo[1,4]dioxin-6-yl) (2-chlorophenyl)methanone | Oakwood Chemical | 164526-16-3 | MFCD00561832 | 289.720 | C15H12ClNO3 | 95.000 | Nc1cc2OCCOc2cc1C(=O)c1ccccc1Cl | 100mg | 537683527

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eMolecules​ 69739-34-0 | tert-Butyldimethylsilyl Trifluoromethanesulfonate | AA Blocks LLC | MFCD00000405 | 264.330 | C7H15F3O3SSi | 0.000 | CC(C)(C)[Si](C)(C)OS(=O)(=O)C(F)(F)F | 250g | 410168121

tert-Butyldimethylsilyl Trifluoromethanesulfonate | AA Blocks LLC | 69739-34-0 | MFCD00000405 | 264.330 | C7H15F3O3SSi | 0.000 | CC(C)(C)[Si](C)(C)OS(=O)(=O)C(F)(F)F | 250g | 410168121

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Medchemexpress LLC Trimethoxy(4-phenylbutyl)silane | 152958-91-3 | 99.6% | 254.40 | 10 G

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Trimethoxy(4-phenylbutyl)silane is a drug intermediate used for the synthesis of various active compounds. It is intended for research purposes only and not for sale to patients. This product has not been fully validated for medical applications and is for research use only.

• Drug intermediate for synthesis of various active compounds
• Purity: 99.63%
• Available in various quantities from 100 mg to 25 g

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Sigma Aldrich Fine Chemicals Biosciences Ethyl isobutyrate 98 fCC f

Ethyl isobutyrate is a potent odorant in oranges grapefruit and Greek virgin olive oils.

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eMolecules​ 73842-99-6 | 3-[(tert-Butyldimethylsilyl)oxy]-1-propanol | Ambeed | MFCD00187968 | 190.358 | C9H22O2Si | 98.000 | CC(C)(C)[Si](C)(C)OCCCO | 100g | 490564450

3-[(tert-Butyldimethylsilyl)oxy]-1-propanol | Ambeed | 73842-99-6 | MFCD00187968 | 190.358 | C9H22O2Si | 98.000 | CC(C)(C)[Si](C)(C)OCCCO | 100g | 490564450

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eMolecules​ 65094-22-6 | Bromodifluoromethyl diethylphosphonate | Combi-Blocks | MFCD00069118 | 267.007 | C5H10BrF2O3P | 95.000 | CCOP(=O)(OCC)C(F)(F)Br | 5g | 249357324

Bromodifluoromethyl diethylphosphonate | Combi-Blocks | 65094-22-6 | MFCD00069118 | 267.007 | C5H10BrF2O3P | 95.000 | CCOP(=O)(OCC)C(F)(F)Br | 5g | 249357324

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Medchemexpress LLC ABT-639 | 1235560-28-7 | 99.32% | 455.91 | 25 MG

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ABT-639 | 1235560-28-7 | 99.32% | 455.91 | 25 MG

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Medchemexpress LLC (S)-1-(4-(Trifluoromethoxy)phenyl)ethanamine | 951247-75-9 | 99.37% | 205.18 | 100 MG

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(S)-1-(4-(Trifluoromethoxy)phenyl)ethanamine is a drug intermediate for the synthesis of various active compounds. It is for research use only and not sold to patients.

• Appearance: Solid-liquid mixture
• Color: Colorless to off-white
• Shipping: Room temperature in continental US; may vary elsewhere
• Storage: 4°C, stored under nitrogen. In solvent: -80°C, 6 months; -20°C, 1 month (stored under nitrogen)

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