Date published: 2026-4-21

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Ex <380 nm Ultraviolet

Santa Cruz Biotechnology now offers a broad range of Ex <380 nm compounds for use in various applications. These compounds, which absorb light in the ultraviolet spectrum below 380 nanometers, are indispensable tools in the advancement of scientific research across multiple disciplines. Their ability to absorb deep UV light makes them particularly valuable in the fields of photochemistry and photophysics, where they are used to initiate photochemical reactions or to study the properties of materials under UV exposure. In biochemistry and molecular biology, Ex <380 nm compounds facilitate the investigation of DNA, proteins, and other biomolecules, allowing for the detection of specific structures that naturally absorb ultraviolet light. This capability is crucial for applications such as gel electrophoresis and UV cross-linking, which rely on UV light to visualize or modify biological samples. Furthermore, these compounds are extensively used in materials science for the development of UV-sensitive polymers and coatings, which have applications ranging from protective finishes to solar cell technologies. In environmental science, Ex <380 nm compounds aid in the monitoring and analysis of atmospheric pollutants that exhibit UV absorption, contributing to environmental protection efforts. The unique spectral properties of these compounds enhance the precision and effectiveness of fluorescence microscopy, spectroscopy, and various analytical techniques, providing researchers with powerful tools to explore and understand complex chemical and biological processes. View detailed information on our available Ex <380 nm compounds by clicking on the product name.

Items 11 to 20 of 157 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Hoechst 33342 trihydrochloride

23491-52-3sc-200908
100 mg
$142.00
15
(1)

Hoechst 33342 trihydrochloride is a fluorescent dye that exhibits remarkable specificity for binding to DNA, particularly in regions of high adenine-thymine content. When excited below 380 nm, it undergoes a conformational change that enhances its fluorescence, allowing for sensitive detection of nucleic acids. Its unique ability to intercalate between base pairs facilitates real-time monitoring of cellular processes, while its stability across a range of pH levels ensures reliable performance in various experimental conditions.

MeOSuc-AAPV-AMC

72252-90-5sc-201163
5 mg
$185.00
19
(2)

MeOSuc-AAPV-AMC is a fluorescent compound that exhibits strong emission properties when excited below 380 nm. Its structure allows for efficient energy transfer, enhancing fluorescence intensity. The compound's unique interactions with specific substrates lead to distinct reaction kinetics, making it a valuable tool for studying enzymatic activity. Additionally, its solubility in various solvents and stability under diverse conditions contribute to its versatility in analytical applications.

DAPI, dilactate

sc-300415
10 mg
$194.00
7
(1)

DAPI, dilactate, is a fluorescent dye that exhibits remarkable photophysical properties when excited by light below 380 nm. Its unique ability to intercalate into DNA allows for selective binding, resulting in enhanced fluorescence intensity. The compound's distinct molecular interactions facilitate specific binding pathways, influencing reaction kinetics. Its stability in various environments and compatibility with different solvents further enhance its utility in fluorescence-based assays and imaging techniques.

1-Pyrenesulfonic acid sodium salt

59323-54-5sc-208697
1 g
$125.00
(1)

1-Pyrenesulfonic acid sodium salt is a fluorescent compound that exhibits strong emission characteristics when excited below 380 nm. Its unique structure allows for effective solvation and interaction with various substrates, enhancing its photostability. The compound's sulfonic acid group contributes to its water solubility, facilitating dynamic interactions in aqueous environments. This property enables it to act as a probe in studies of molecular aggregation and energy transfer processes.

Dansylcadaverine

10121-91-2sc-214851
sc-214851A
sc-214851B
100 mg
250 mg
1 g
$52.00
$89.00
$240.00
4
(1)

Dansylcadaverine is a fluorescent compound that exhibits remarkable photophysical properties when excited below 380 nm. Its unique dansyl moiety enhances its ability to form non-covalent interactions, such as hydrogen bonding and π-π stacking, with biomolecules. This facilitates its role in probing conformational changes and molecular dynamics. The compound's hydrophobic characteristics contribute to its partitioning behavior in lipid environments, influencing its reactivity and interaction kinetics in various chemical contexts.

Hoechst 33258, UltraPure grade

23491-45-4sc-391053
sc-391053A
100 mg
1 g
$122.00
$689.00
1
(0)

Hoechst 33258, UltraPure grade, is a fluorescent dye that exhibits strong binding affinity to double-stranded DNA, particularly in the presence of A-T rich regions. When excited below 380 nm, it undergoes significant fluorescence enhancement due to intercalation, which stabilizes the excited state. This compound's unique ability to form stable complexes with nucleic acids allows for precise monitoring of structural changes and dynamics in molecular assemblies, making it a valuable tool in biochemical studies.

Chymotrypsin Substrate II, Fluorogenic

88467-45-2sc-391097
25 mg
$193.00
(1)

Chymotrypsin Substrate II, Fluorogenic, is a specialized peptide substrate designed for the detection of chymotrypsin activity. Upon cleavage by the enzyme, it releases a fluorescent moiety, resulting in a measurable increase in fluorescence when excited below 380 nm. This substrate exhibits high specificity for chymotrypsin, enabling detailed kinetic studies and providing insights into enzyme-substrate interactions. Its unique design allows for real-time monitoring of proteolytic activity in various biochemical assays.

4-Methylumbelliferyl β-D-glucuronide

6160-80-1sc-280452
sc-280452A
sc-280452B
2 g
20 g
50 g
$322.00
$453.00
$895.00
1
(1)

4-Methylumbelliferyl β-D-glucuronide is a fluorogenic compound that serves as a substrate for glucuronidase enzymes. When hydrolyzed, it emits fluorescence upon excitation below 380 nm, facilitating the study of enzymatic activity. Its structure allows for specific interactions with glucuronidase, leading to rapid reaction kinetics. The compound's distinct photophysical properties enable sensitive detection in various biochemical contexts, enhancing the understanding of glycosylation processes.

Ammonium 7-Fluoro-2,1,3-benzoxadiazole-4-sulfonate

84806-27-9sc-210805
25 mg
$294.00
(0)

Ammonium 7-Fluoro-2,1,3-benzoxadiazole-4-sulfonate is a fluorescent probe characterized by its unique electronic structure, which allows for efficient energy transfer upon excitation below 380 nm. Its sulfonate group enhances solubility and facilitates strong interactions with polar environments. The compound exhibits rapid photostability and distinct emission properties, making it suitable for probing molecular interactions and dynamics in complex systems, while its reactivity can be influenced by pH variations.

Hoechst 33258

23491-45-4sc-394039
5 ml
$158.00
42
(1)

Hoechst 33258 is a fluorescent dye notable for its ability to intercalate into double-stranded DNA, exhibiting strong fluorescence when excited with light below 380 nm. Its unique binding affinity is attributed to the presence of aromatic rings that stack between base pairs, enhancing its photophysical properties. The compound demonstrates high quantum yield and stability, making it an effective tool for studying nucleic acid structures and dynamics in various environments.