Acyl bromides
Medchemexpress LLC Azido-choline bromide | 2059973-54-3 | 99.6% | 239.11 g/mol | C6H15BrN4O | 25 MG
N3-Cho bromide (Azido-choline bromide) is an azide-functionalized choline analogue used as a click chemistry reagent to install or label choline head-groups in membrane lipids and related biomolecules. It is provided as a colorless to off-white solid-liquid mixture with high purity and good solubility in common solvents, intended for synthetic and labeling applications.
- Azide-functionalized choline analogue for click chemistry labeling.
- High purity suitable for synthetic and analytical use.
- Soluble in water (125 mg/mL) and DMSO (100 mg/mL); ultrasonic recommended.
- Storage recommendations for stability: solid at -20°C sealed; in solvent -80°C up to 6 months.
- Available in small research pack sizes for laboratory experiments.
Medchemexpress LLC Benzoyl coenzyme A trilithium | 102185-37-5 | MFCD00078942 | 94.0% | 889.44 g·mol⁻¹ | C28H37Li3N7O17P3S | 5 MG
Benzoyl coenzyme A trilithium is the trilithium salt of benzoyl coenzyme A supplied for research use as an intermediate in CoA-dependent metabolic pathways (CAS 102185-37-5). It is provided as a white to off-white solid with specified storage and solvent stability for biochemical studies.
- White to off-white solid for biochemical research.
- Molecular weight 889.44 g·mol⁻¹.
- Purity 94.0%.
- Store sealed at -20°C; in solution -80°C (up to 6 months) or -20°C (up to 1 month).
- Used to study benzoate metabolism and CoA-dependent pathways in vitro.
Medchemexpress LLC Cy7.5-COOH bromide | 2978106-25-9 | 95.2% | 10 MG
Cy7.5-COOH (bromide) is a near-infrared cyanine fluorescent dye supplied as the bromide salt. It exhibits absorbance/emission maxima near 781/808 nm and is used as a fluorescent probe in DNA sequencing, flow cytometry, fluorescence microscopy, and in vivo imaging.
- High near-infrared fluorescence (Abs/Em = 781/808 nm).
- Suitable as a fluorescent probe for DNA sequencing, flow cytometry, and in vivo imaging.
- Provided as the bromide salt to support solubility in common organic solvents.
- Available in small research quantities for laboratory assays and labeling.
- Compatible with standard conjugation and labeling workflows.
Medchemexpress LLC Cetrimonium bromide-d42 | 907216-28-8 | 99.8% | 406.71 | C19D42BrN | 10 MG
Deuterium-labeled cetrimonium bromide (d42) is a stable isotope-labeled form of the cationic surfactant cetrimonium bromide, supplied for research use as a tracer or internal standard. It is provided as a powder at high purity with defined storage conditions.
- Deuterium labeled (d42) tracer/internal standard.
- Purity 99.8%.
- Molecular formula C19D42BrN; molecular weight 406.71.
- CAS number 907216-28-8.
- Supplied as a powder in small pack sizes (5 mg, 10 mg, 25 mg; larger sizes by inquiry).
- Storage: powder -20°C (3 years); in solvent -80°C (6 months), -20°C (1 month).
Medchemexpress LLC Cyanine 3.5 bromide | 98.6% | 734.72 g·mol⁻1 | C42H44BrN3O4 | 10 MG
Cyanine 3.5 bromide is a red reactive fluorescent dye used for covalent labeling of primary amines on peptides, proteins, and oligonucleotides for fluorescence imaging and detection. It exhibits red fluorescence with excitation near 591 nm and emission near 604 nm, and is typically supplied as a small research-scale powdered quantity.
- Reactive NHS ester for covalent labeling of primary amines.
- Red fluorescence with typical excitation ~591 nm and emission ~604 nm.
- Molecular formula C42H44BrN3O4, molecular weight 734.72 g·mol-1.
- Purity reported around 98.6%.
- Supplied as a 10 mg powder; store at -20 °C and protect from light.
- Suitable for labeling peptides, proteins, and oligonucleotides in imaging applications.
- Stable in common organic solvents; handle with appropriate safety precautions.