All Dyes

Cat. No.

B11386

CAS No.

90421-78-6

NBD-Hydrazine

NBD-Hydrazine is a fluorescent probe that reacts specifically with aldehydes and ketones, exhibiting excitation and emission maxima at 468 nm and 535 nm, respectively. This compound is instrumental in the synthesis of malondialdehyde-reactive fluorescent probes, facilitating studies related to lipid peroxidation. Additionally, NBD-Hydrazine serves as a synthetic intermediate in the development of colorimetric sensors for cupric and chronic ions, enhancing research in analytical chemistry and biosensing applications.

Cat. No.

B11388

CAS No.

2628213-67-0

ROX azide, 5-isomer

ROX azide, 5-isomer is a red-emitting fluorescent dye known for its high brightness and fluorescence quantum yield. The presence of an azide group enables reactive conjugation with alkyne, BCN, and DBCO through Click Chemistry, resulting in a stable triazole linkage. This compound is widely utilized in cellular imaging and labeling applications, facilitating the study of biomolecular interactions and dynamics.

Cat. No.

B11389

CAS No.

12772-56-4

Carmine lithium

Carmine lithium is a natural red colorant derived from cochineal insects, classified within the coccid dye family. It is widely utilized in histological staining and as a biological marker due to its strong affinity for proteins and tissues. This reagent is essential for various research applications, including microscopy and cell imaging, enabling detailed visualization of biological samples.

Cat. No.

B11390

CAS No.

2644752-85-0

BP Fluor 430 DBCO

BP Fluor 430 DBCO is a fluorescent dye that reacts with azides through a copper-free click chemistry mechanism, resulting in stable triazole formations without the need for copper catalysts or elevated temperatures. This dye exhibits bright, photostable green fluorescence, with optimal excitation at 432 nm and an emission peak at 539 nm, remaining pH independent across a broad pH range. BP Fluor 430 DBCO is suitable for various labeling applications in bioimaging and bioconjugation, although it is not recommended for staining intracellular components of fixed and permeabilized cells due to potential high background fluorescence.

Cat. No.

B11391

CAS No.

2841143-99-3

BP Fluor 405 picolyl azide

BP Fluor 405 Picolyl Azide is a fluorescent dye designed for enhanced detection in bioconjugation reactions, utilizing a copper-chelating motif to increase local Cu(I) concentrations. This innovative reagent significantly accelerates the copper-catalyzed azide-alkyne cycloaddition (CuAAC) reaction rate while minimizing the required copper catalyst concentration by at least tenfold. The incorporation of the picolyl azide moiety allows for greater sensitivity in alkyne detection, making it particularly advantageous for applications involving low-abundance targets or those requiring amplified signal intensity. This makes BP Fluor 405 an essential tool for researchers focusing on advanced fluorescent labeling techniques.

Cat. No.

B11392

CAS No.

16071-86-6

Direct brown 95

Direct Brown 95 is a synthetic dye primarily utilized for coloring fabrics in the textile industry. Its applications extend to histology and cytology, where it aids in the differentiation of various cell types. Moreover, this dye serves as a molecular marker, enhancing the detection of nucleic acids such as DNA and RNA in laboratory analyses.

Cat. No.

B13355

CAS No.

1173023-92-1

Leucocrystal violet-d6

Leucocrystal violet-d6 is a deuterium-labeled variant of Leucocrystal violet, a triphenylmethane dye. This reagent is primarily utilized for the spectrophotometric detection of antimony in various environmental and biological samples. Its stable isotope labeling enhances the accuracy and reliability of analytical measurements, facilitating research in environmental monitoring and biochemical analysis.

Cat. No.

B19348

CAS No.

73554-93-5

Boc-Leu-Ser-Thr-Arg-AMC

Boc-Leu-Ser-Thr-Arg-AMC is a fluorogenic substrate designed for the detection of protease activity. Its amino acid sequence is optimized for specificity, enabling enhanced fluorescence upon cleavage by various proteases. This compound serves as a valuable tool for studying proteolytic processes in biochemical research and assays.

Cat. No.

B19417

CAS No.

1673565-40-6

Tozuleristide

Tozuleristide is a tumor-targeting agent covalently linked to a near-infrared fluorescent dye, indocyanine green (ICG). This compound exhibits the ability to effectively penetrate the blood-brain barrier, making it particularly useful in the visualization of brain tumors. Tozuleristide is applicable in research focused on fluorescence-guided surgery (FGS), enhancing surgical precision and tumor resection outcomes.

Cat. No.

B19523

CAS No.

38070-93-8

Karanjachromene

Karanjachromene is a fluorescent pyranoflavonoid derived from the seed oil of Pongamia pinnata. This compound exhibits significant biological activity as a photostable fluorescent probe. Its unique fluorescent properties make it valuable for various research applications, including cellular imaging and studying biological interactions in live cell systems.

Cat. No.

B19727

CAS No.

3030758-22-3

BIBD-300

BIBD-300 is a high-affinity PARP-1 imaging agent designed for precise localization of tumors. It effectively delineates C6 and U87MG tumor models, making it a valuable tool for research in the diagnostic imaging of various cancers, including breast, prostate, glioma, and liver cancers. This selective targeting enhances the potential for improved cancer detection and monitoring in preclinical studies.

Cat. No.

B19772

CAS No.

2140857-94-7

Filricianine

Filricianine is a diagnostic imaging agent that primarily targets the vascular system. It enhances visualization and characterization of blood vessels and tissue perfusion in various imaging modalities, including magnetic resonance imaging (MRI). This reagent is utilized in clinical settings for assessing vascular integrity and diagnosing related conditions, providing critical support in patient management and treatment planning.

Cat. No.

B20230

CAS No.

1313706-17-0

Relmapirazin

Synonyms: MB-102

Relmapirazin is a fluorescent tracer agent primarily utilized for the real-time measurement of glomerular filtration rate (GFR). It facilitates the accurate assessment of kidney function in both preclinical and clinical research settings. Its ability to provide real-time tracking of renal filtration processes enhances the study of kidney diseases and nephrotoxicity in pharmacological research.

Cat. No.

B20329

CAS No.

18319-93-2

4-Methylumbelliferyl nonanoate

4-Methylumbelliferyl nonanoate is a fluorogenic substrate specifically designed for the detection of esterases. Upon hydrolysis, it produces 4-methylumbelliferone, which exhibits bright blue fluorescence. This compound is widely utilized in studying esterase activity in various biological samples and can help in elucidating enzyme kinetics and substrate specificity in research applications.

Cat. No.

B21299

CAS No.

81-39-0

Solvent red 52

Synonyms: Fluorescent red H5B

Solvent Red 52 is a fluorescent dye primarily utilized for its vibrant red color in various applications. It exhibits strong absorbance and fluorescence properties, making it suitable for use in the dyeing of plastic materials and other substrates. Additionally, this compound can be employed in biological research settings for tracking and visualizing cellular processes.

Cat. No.

B21300

CAS No.

92-31-9

Toluidine Blue

Synonyms: Toluidine Blue O

Toluidine Blue, an alkaline quinonimine dye, demonstrates a strong affinity for acidic tissue components, effectively staining nuclei blue and polysaccharides purple. This reagent exhibits heterostaining properties, enabling visualization of mast cells, mucins, and chondrocytes. Additionally, Toluidine Blue is employed in the histological analysis of plant tissues and is utilized as a diagnostic aid for identifying malignant lesions, including cancerous tissues. Its versatile staining capabilities make it a valuable tool in both medical and botanical research applications.

Cat. No.

B21301

CAS No.

116-75-6

1,4-Bis(mesitylamino)anthraquinone

1,4-Bis(mesitylamino)anthraquinone is a multifunctional dye with notable applications in biological research. This compound serves as a vital tool for observing and analyzing cellular structures, tracking biomolecules, and evaluating cell functions. Its versatility extends to distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Beyond fundamental research, this dye is also employed in various clinical diagnostics and traditional textile dyeing, as well as in innovative areas such as functional textile processing, food pigmentation, and dye-sensitized solar cells.

Cat. No.

B21321

CAS No.

467-63-0

Solvent violet 9

Solvent Violet 9 is a DNA binding dye that intercalates between base pairs in double-stranded DNA. It exhibits fluorescence upon binding, making it useful for visualizing nucleic acids in various applications, including gel electrophoresis and fluorescence microscopy. This compound serves as an important tool for researchers studying DNA interactions, quantification, and overall nucleic acid analysis.

Cat. No.

B21451

CAS No.

554-73-4

OrangeIV

OrangeIV is an azo dye known for its vibrant coloration and versatility in chemical applications. It plays a significant role in click chemistry, facilitating the formation of diverse chemical structures through covalent bonding. OrangeIV is widely utilized in various research contexts, including organic synthesis and the development of fluorescent probes.

Cat. No.

B21483

CAS No.

116-63-2

4-Amino-3-hydroxynaphthalene-1-sulfonic acid

4-Amino-3-hydroxynaphthalene-1-sulfonic acid is a fluorescent dye that exhibits notable optical properties, making it suitable for various imaging applications. This compound can form polypyrrole (PPy) conducting films in combination with pyrrole, thereby facilitating studies in electrochemistry. Its unique fluorescence characteristics allow for enhanced detection and visualization in biochemical assays.

Cat. No.

B21515

CAS No.

82-33-7

Disperse violet 8

Disperse violet 8 is a fluorescent dye that exhibits strong absorbance and emission properties in the violet spectrum. It is widely utilized in biological research for labeling and imaging applications, allowing for the visualization of cellular components and processes. This compound is particularly valuable in studies involving fiber dyeing and the assessment of tissue samples.

Cat. No.

B21527

CAS No.

99-11-6

Citrazinic acid

Citrazinic acid is a weakly fluorescent compound that exhibits optical properties influenced by its aggregation states and surrounding chemical environment. At elevated concentrations, Citrazinic acid tends to form dimers, which can significantly impact its fluorescence characteristics. This compound is useful for studies requiring fluorescence detection and can aid in understanding molecular interactions and environmental effects on fluorescence properties.

Cat. No.

B21566

CAS No.

81-68-5

Disperse red 86

Disperse Red 86 is a fluorescent dye primarily targeting anthraquinone derivatives. Exhibiting vibrant red fluorescence, this compound is widely utilized in various applications including biological imaging, textile dyeing, and cosmetic formulations. Its ability to provide strong coloration and stability makes it an essential reagent for research in fluorescence microscopy and material sciences.

Cat. No.

B21568

CAS No.

85-83-6

Sudan IV

Synonyms: Solvent Red 24; C.I. 26105

Sudan IV is a fat-soluble disazo dye that functions as an agonist of the aryl hydrocarbon receptor (AhR), activating downstream signaling pathways and inducing the expression of CYP1A1. This compound enhances CYP1A1 gene transcription through the formation of AhR-ARNT heterodimers and binding to xenobiotic response elements (XREs) in DNA, thereby increasing drug-metabolizing enzyme activity. Sudan IV is utilized in research to investigate the toxicity mechanisms associated with industrial dyes and to explore the effects of serum protein interactions, such as with bovine serum albumin (BSA), on in vivo distribution. Additionally, it serves as a stain for lipids, triglycerides, and lipoproteins in frozen tissue sections.

Cat. No.

B21659

CAS No.

90-30-2

N-Phenylnaphthalen-1-amine

N-Phenylnaphthalen-1-amine functions as a fluorescence probe targeting odorant-binding proteins (OBP) with a dissociation constant of 1.67 μM. This compound fluoresces strongly when incorporated into the inner phospholipid bilayer of Gram-negative bacteria, making it useful for assessing outer membrane permeability. With an excitation wavelength of 337 nm and an emission wavelength of 407 nm, N-Phenylnaphthalen-1-amine serves as a valuable tool in the study of membrane dynamics and protein interactions.