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Filtered Search Results
Medchemexpress LLC Boc-NH-ethyl-SS-propionic acid | 485800-27-9 | CB73363888 | 95.0% | 281.39 | C10H19NO4S2 | 100 MG
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Boc-NH-ethyl-SS-propionic acid is a cleavable disulfide-containing linker used to prepare antibody-drug conjugates. The molecule features a Boc-protected amine and an ethyl-disulfide-propionic acid spacer that enables reductive release of attached payloads. Supplied as a white to off-white solid at 95.0% purity, it is intended for research use only.
- Cleavable disulfide linker for reductive payload release.
- Boc-protected amine suitable for amide or carbamate formation.
- White to off-white solid with specified purity of 95.0%.
- Storage: keep at 4°C under nitrogen; in solvent, -80°C for 6 months, -20°C for 1 month.
- Intended for research use only.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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![Medchemexpress LLC 3-[(2-aminoethyl)dithio]propionic acid | 15579-00-7 | MFCD07357249 | 98.0% | 181.28 g/mol | C5H11NO2S2 | 25 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000202530.png-250.jpg)
Medchemexpress LLC 3-[(2-aminoethyl)dithio]propionic acid | 15579-00-7 | MFCD07357249 | 98.0% | 181.28 g/mol | C5H11NO2S2 | 25 MG
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Aminoethyl-SS-propionic acid is a cleavable disulfide-containing linker used in the synthesis of antibody-drug conjugates (ADCs). It provides a reducible linkage that allows intracellular release of cytotoxic payloads under reducing conditions; the compound is supplied as a solid with analytical documentation (COA, SDS, HNMR, LCMS).
- Cleavable disulfide linker enabling intracellular payload release.
- High purity suitable for research use (≈98% by HPLC).
- Multiple pack sizes available from milligram to gram scale.
- Characterized by HNMR and LCMS, with COA and SDS available.
- Functional groups: primary amine, carboxylic acid, and disulfide for bioconjugation.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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eMolecules 2035-75-8 | Adipic anhydride | Combi-Blocks, Inc. | MFCD01593588 | 128.127 | C6H8O3 | 95.000 | O=C1CCCCC(=O)O1 | 10g | 569291990
Adipic anhydride | Combi-Blocks, Inc. | 2035-75-8 | MFCD01593588 | 128.127 | C6H8O3 | 95.000 | O=C1CCCCC(=O)O1 | 10g | 569291990
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Waters Corp Sample Preparation Workflow, Amino Acid, UPLC, 500+ Manual Re-order
The Waters Kairos Amino Acid 500+ Manual Re-order Kit is a sample preparation workflow designed for accurate quantitation of over 40 physiological amino acids in plasma and urine samples. It utilizes UPLC separation and mass spectrometry-based detection, offering a rapid 9-minute assay.
- Rapid 9-minute assay.
- Utilizes multiple stable labeled internal standards and mass spectrometry-based detection.
- Simplifies retesting; samples can be re-injected into LC-MS.
- Quantifies over 40 physiological amino acids in plasma and urine samples.
- Applicable for research use only.
- Verified for use with multiple automated liquid handling platforms.
- Includes a CORTECS UPLC C18 column.
- Derivatized samples are stable for one week at room temperature.
- Total preparation time for 96 samples is less than 2 hours.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Waters Corp Amino Acid Analysis Column, Strong Cation Exchange
This amino acid analysis column is designed for amino acid applications. It is a strong cation exchange column, used for separating and identifying amino acids under conventional chromatographic conditions.
- Designed for amino acid applications.
- Strong cation exchange column.
- Separates and identifies amino acids.
- Customizable quotes available.
- Support through documents.
- Downloadable Certificates of Analysis.
- Efficiency test reports are an option.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Waters Corp Kairos Amino Acid Reconstitution Reagents, UPLC, 2 pk
These are reconstitution reagents specifically designed for physiological amino acid analysis.
- Sample preparation workflow type
- UPLC separation mode
- As required replacement schedule
- Amino acid application
- Application kit product type
- 2 units per package
- Contains hazardous materials and requires special handling, which may incur additional charges.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Waters Corp Application Kit, Kairos Amino Acid, 500+, Manual First Time Order
The Kairos Amino Acid 500+ Manual First Time Order Kit is for accurate and precise amino acid analysis in plasma and urine samples. This kit is for research use only, not for diagnostic procedures. Methods have been verified using AccQ·Tag™ derivatization chemistry and UPLC-MS systems such as ACQUITY™ UPLC™ I-Class PLUS System with Xevo™ TQ-S micro, and ACQUITY™ QDa™ Detector.
- Designed for accurate and precise amino acid analysis in plasma and urine samples.
- Features a workflow including protein precipitation, derivatization, LC-MS analysis, and data analysis.
- Achieve a total preparation time for 96 samples of less than 2 hours.
- Provides a rapid run time of 9 minutes.
- Includes calibrator, quality control, internal standard sets, a UPLC C18 column, a derivatization kit, reconstitution reagents, formic acid, and LCMS vials.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Sigma Aldrich Fine Chemicals Biosciences Isopropyl acetate >=99.6% | 108-21-4 | MFCD00008877 | 1L
Isopropyl acetate >=99.6% | Purity: >=99.6% | Mol Wt: 102.13 | 108-21-4 | MFCD00008877 | 1L
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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SANTA CRUZ BIOTECHNOLOGY ACETOXYACETONE 10ML
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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NC2223444 ACETOXYACETONE 10ML
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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eMolecules 3724-19-4 | 3-(3-Pyridyl)propionic acid | Combi-Blocks | MFCD00274197 | 151.165 | C8H9NO2 | 98.000 | OC(=O)CCc1cccnc1 | 100g | 335343253
3-(3-Pyridyl)propionic acid | Combi-Blocks | 3724-19-4 | MFCD00274197 | 151.165 | C8H9NO2 | 98.000 | OC(=O)CCc1cccnc1 | 100g | 335343253
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Sigma Aldrich Fine Chemicals Biosciences Zinquin ethyl ester >=95% (HPLC), solid | MFCD00797629 | 5MG
Zinquin ethyl ester >=95% (HPLC), solid | Purity: >=95% (HPLC) | Mol Wt: 414.47 | MFCD00797629 | 5MG
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Medchemexpress LLC 3-(3-methoxyphenyl)propionic acid | 10516-71-9 | MFCD00014027 | 98.0% | 180.20 g/mol | C10H12O3 | 500 MG
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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3-(3-Methoxyphenyl)propionic acid is an organic phenylpropionic acid and a naturally occurring human metabolite. Supplied as a research-grade reagent in solid and solution forms, it is intended for use as an analytical standard, metabolite reference, and reagent in biochemical or metabolomics studies. For research use only.
- High purity (98.03%).
- Molecular formula C10H12O3; molecular weight 180.20 g/mol.
- Available in solid and solution formats for flexibility in workflows.
- Suitable as an analytical standard and metabolite reference in assays.
- Datasheet and solubility guidance provided for experimental planning.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Medchemexpress LLC 3-phenylbutyric acid | 4593-90-2 | MFCD00002725 | 99.9% | 164.20 g/mol | C10H12O2 | 500 MG
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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3-Phenylbutyric acid is an endogenous metabolite reagent intended for biochemical and microbiological research. The manufacturer datasheet provides molecular and physicochemical data, solubility guidelines for in vitro and in vivo use, storage recommendations, and intended research applications.
- Purity 99.94%.
- Molecular weight 164.20 g/mol.
- Chemical formula C10H12O2.
- Soluble in DMSO at 100 mg/mL (may require ultrasonic).
- In vivo formulations reach ≥2.5 mg/mL in common vehicles as clear solutions.
- Storage: pure form -20 °C (up to 3 years) or 4 °C (2 years); in solvent -80 °C (6 months).
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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eMolecules 5239-82-7 | Cyclopropyl-acetic acid | J & W PharmLab LLC | MFCD00041544 | 100.117 | C5H8O2 | 96.000 | OC(=O)CC1CC1 | 100g | 525341426
Cyclopropyl-acetic acid | J & W PharmLab LLC | 5239-82-7 | MFCD00041544 | 100.117 | C5H8O2 | 96.000 | OC(=O)CC1CC1 | 100g | 525341426
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Medchemexpress LLC Maleimido-tri(ethylene glycol)-propionic acid | 518044-40-1 | MFCD23103943 | 98.0% | 301.29 g/mol | C13H19NO7 | 250 MG
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Maleimido-tri(ethylene glycol)-propionic acid is a PEG-based maleimide linker used for site-specific cysteine conjugation in bioconjugation workflows. It combines a maleimide reactive group, a triethylene glycol spacer, and a propionic acid terminus to improve solubility and enable downstream coupling reactions.
- Provides a maleimide reactive group for cysteine-specific conjugation.
- Contains a triethylene glycol spacer to increase solubility and flexibility.
- Features a terminal propionic acid for further derivatization or coupling.
- Suitable for ADC linker synthesis and PEG-based PROTAC linkers.
- Available in small research pack sizes, including 250 mg.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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