Acyl bromides
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.
AdipoGen Stain 3-I
Chemical. CAS 155862-91-2. Formula C18H16BrN3O2S. MW 418.31. Synthetic. Class of highly photostable, water soluble fluorescent labels with large Stokes shift, high QY in aqueous media and pH tolerance. Relatively low extinction coefficient Epsilon∼ >20,000 in EtOH.
4-Bromomethyl benzoyl bromide, 96%, Thermo Scientific™
CAS: 876-07-3 Molecular Formula: C8H6Br2O Molecular Weight (g/mol): 277.94 MDL Number: MFCD00045026 InChI Key: VUYGJYAPDGKPBF-UHFFFAOYSA-N Synonym: 4-bromomethyl benzoyl bromide,acmc-20ammq,4-bromomethyl benzoylbromide,4-bromomethyl-benzoyl bromide,benzoyl bromide, 4-bromomethyl,p-bromomethyl benzoyl bromide,4-bromomethyl benzoyl bromide 96 PubChem CID: 4640671 IUPAC Name: 4-(bromomethyl)benzoyl bromide SMILES: BrCC1=CC=C(C=C1)C(Br)=O
