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Names | |
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IUPAC name
(4S)-2-(6-hydroxy-1,3-benzothiazol-2-yl)-4,5-dihydrothiazole-4-carboxylic acid
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Other names
D-(−)-Luciferin, beetle luciferin
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.018.166 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C11H8N2O3S2 | |
Molar mass | 280.32 g·mol−1 |
UV-vis (λmax) | 330 nm (neutral and somewhat acidic aqueous solutions) [1] |
Absorbance | ε330 = 18.2 mM−1 cm−1 [1] |
Hazards | |
GHS labelling: | |
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Warning | |
H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Firefly luciferin (also known as beetle luciferin) is the luciferin, or light-emitting compound, used for the firefly (Lampyridae), railroad worm (Phengodidae), starworm (Rhagophthalmidae), and click-beetle (Pyrophorini) bioluminescent systems. It is the substrate of luciferase (EC 1.13.12.7), which is responsible for the characteristic yellow light emission from many firefly species.
As with all other luciferins, oxygen is required to elicit light; however, it has also been found adenosine triphosphate (ATP) and magnesium are required for light emission.[2][3]
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