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Catalog ID 6822 / 25 mg

D-Luciferin sodium salt [Firefly Luciferin sodium salt]

AKA: S-2-(6-hydroxy-2-benothiazolyl)-2-thiazoline-4-carboxylic acid sodium salt
Formula Weight CAS#
C11H7N2NaO3S2 302.30 103404-75-7
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Water soluble form of luciferin. Luciferins are a class of small-molecule substrates that are oxidized in the presence of the enzyme luciferase to produce oxyluciferin and energy in the form of light. Luciferin undergoes an enzyme-catalysed oxidation and the resulting unstable reaction intermediate emits light upon decaying to its ground state. Firefly luciferin is the luciferin found in many Lampyridae species. It is the substrate of luciferase responsible for the characteristic yellow light emission from fireflies. It was found that ATP is required for light emission.

Product Size 25 mg
Form Yellow Solid
Absorption (estimated) Wavelength (λmax) 328 ± 3 nm (Buffer pH 7)
Fluorescence (estimated) Wavelength (λmax) 534 ± 4 nm (*Buffer pH 7)
Storage conditions Freeze: Store at -5 to -30°C (F) Protect from moisture (D) Protect from light (L)

* S-2-(6-hydroxy-2-benothiazolyl)-2-thiazoline-4-carboxylic acid sodium salt
* 4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid sodium salt

Fluorescent Probes and Related Products:   Coelenterazine, Luciferin, MCLA
Enzyme Detection, Substrates and Activity Assays :   Luciferase Substrates

Safety Data Sheet
Certificates of Analysis
Lot 50300 30-Jan-2015

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