Date published: 2026-4-24

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Ex 620-750 nm Red

Santa Cruz Biotechnology now offers a broad range of Ex 620-750 nm compounds for use in various applications. These compounds, which absorb light in the near-infrared range from 620 to 750 nanometers, are pivotal in advancing scientific research, particularly in fields requiring non-invasive and deep-tissue imaging. The ability of these compounds to absorb in this specific wavelength range makes them invaluable for applications in biological imaging, where they facilitate the observation of biological processes occurring deep within tissues with minimal photodamage and autofluorescence. In environmental science, Ex 620-750 nm compounds are used to detect and monitor organic and inorganic substances that uniquely absorb near-infrared light, enhancing the accuracy of ecological assessments and pollution control. Furthermore, their use in materials science allows for the development of innovative photonic materials designed to interact specifically with near-infrared wavelengths, leading to advancements in optical communications and energy harvesting technologies. The unique properties of Ex 620-750 nm compounds thus provide researchers across various disciplines with powerful tools to explore, manipulate, and understand a wide range of chemical, biological, and physical phenomena. View detailed information on our available Ex 620-750 nm compounds by clicking on the product name.

Items 1 to 10 of 62 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

CruzFluor™ 647 succinimidyl ester

sc-362620
1 mg
$245.00
3
(1)

CruzFluor™ 647 succinimidyl ester is a highly fluorescent compound that emits light in the 620-750 nm range, characterized by its robust conjugated structure that promotes effective energy transfer. This compound exhibits selective reactivity with amines, forming stable amide bonds that enhance its utility in labeling applications. Its hydrophilic nature and compatibility with various buffers facilitate its incorporation into complex biological systems, making it a versatile tool for probing molecular interactions.

Phalloidin CruzFluor™ 647 Conjugate

sc-363797
300 tests
$328.00
27
(1)

Phalloidin CruzFluor™ 647 Conjugate is a fluorescently labeled peptide that selectively binds to F-actin, enabling visualization of cytoskeletal structures. Its unique conjugation enhances photostability and signal intensity, allowing for precise imaging in diverse experimental conditions. The compound's affinity for actin filaments facilitates detailed studies of cellular dynamics and morphology, while its spectral properties ensure compatibility with a range of fluorescence microscopy techniques.

Rhodamine 800

101027-54-7sc-212776
250 mg
$166.00
1
(1)

Rhodamine 800 is a highly fluorescent dye characterized by its strong absorption and emission in the near-infrared range (620-750 nm). Its unique structure allows for efficient intercalation into nucleic acids, enhancing its photophysical properties. The dye exhibits remarkable stability and low photobleaching, making it suitable for prolonged imaging. Additionally, its ability to form non-covalent interactions with various biomolecules enables versatile applications in advanced imaging techniques.

Phalloidin CruzFluor™ 633 Conjugate

sc-363796
300 tests
$191.00
16
(2)

Phalloidin CruzFluor™ 633 Conjugate is a potent fluorescent probe that selectively binds to F-actin, facilitating the visualization of cytoskeletal structures. Its unique conjugation with CruzFluor™ 633 enhances fluorescence intensity and stability, allowing for precise imaging in the 620-750 nm range. The conjugate exhibits minimal background fluorescence, ensuring high signal-to-noise ratios. Its specificity for filamentous actin enables detailed studies of cellular dynamics and morphology.

CruzFluor sm™ 7 succinimidyl ester

sc-362610
1 mg
$114.00
(1)

CruzFluor sm™ 7 succinimidyl ester is a highly reactive fluorescent labeling agent that operates effectively in the 620-750 nm excitation range. Its succinimidyl ester functionality allows for efficient conjugation to amine-containing biomolecules, promoting stable linkages. The compound exhibits rapid reaction kinetics, facilitating swift labeling processes. Its unique spectral properties ensure enhanced brightness and photostability, making it ideal for advanced imaging applications.

1,1,3,3,3,3-Hexamethylindodicarbocyanine iodide

36536-22-8sc-391093
25 mg
$98.00
(1)

1,1,3,3,3,3-Hexamethylindodicarbocyanine iodide is a vibrant fluorescent dye characterized by its strong absorption and emission in the 620-750 nm range. This compound features a unique indodicarbocyanine structure that enhances its photophysical properties, including high quantum yield and exceptional stability under light exposure. Its ability to form aggregates in certain environments can lead to distinct spectral shifts, making it useful for studying molecular interactions and dynamics in various systems.

1,1-dioctadecyl-3,3,3,3-tetramethylindotricarbocyanine iodide

100068-60-8sc-391091
25 mg
$124.00
4
(0)

1,1-Dioctadecyl-3,3,3,3-tetramethylindotricarbocyanine iodide is a highly fluorescent compound exhibiting remarkable stability and a broad absorption spectrum within the 620-750 nm range. Its unique tricarbocyanine framework facilitates strong π-π stacking interactions, influencing its photophysical behavior. This dye's hydrophobic octadecyl chains promote self-assembly in lipid environments, leading to intriguing changes in fluorescence intensity and spectral properties, which can be leveraged to explore complex molecular environments.

7-hydroxy-9H-(1,3-dichloro-9,9-dimethylacridin-2-one)

118290-05-4sc-391064
25 mg
$99.00
1
(0)

7-Hydroxy-9H-(1,3-dichloro-9,9-dimethylacridin-2-one) is a distinctive compound characterized by its strong electron-withdrawing dichloro groups, which enhance its photostability and fluorescence in the 620-750 nm range. The presence of the hydroxyl group contributes to intramolecular hydrogen bonding, affecting its solubility and reactivity. This compound exhibits unique aggregation behavior, leading to varied emission profiles under different environmental conditions, making it a subject of interest in studying molecular interactions.

CruzFluor™ 680 succinimidyl ester

sc-362621
sc-362621A
sc-362621B
1 mg
5 mg
25 mg
$200.00
$982.00
$3250.00
(2)

CruzFluor™ 680 succinimidyl ester is a highly versatile fluorescent dye known for its exceptional stability and reactivity. Its unique structure facilitates efficient conjugation with amine-containing biomolecules, promoting specific labeling in complex systems. The compound exhibits a broad excitation spectrum, allowing for flexible experimental designs. Additionally, its robust photophysical properties enable reliable signal detection, making it ideal for advanced imaging applications.

CruzQuench™ 5 maleimide

sc-362663
1 mg
$355.00
(0)

CruzQuench™ 5 maleimide is a specialized chemical that exhibits unique reactivity with thiol groups, enabling selective labeling of proteins and peptides. Its distinct spectral properties allow for effective quenching of fluorescence in the 620-750 nm range, making it a powerful tool for studying molecular interactions. The compound's stability under various conditions enhances its utility in complex biochemical environments, facilitating precise monitoring of reaction kinetics and pathways.