Brite-Light™ D-Luciferin, Potassium Salt

A substrate for luciferase
Catalog #: B3000 | abID:

Product Details

Alternate Name D- Luciferin Potassium salt, potassium,(4S)-2-(6-hydroxy-1,3-benzothiazol-2-yl)-4,5-dihydro-1,3-thiazole-4-carboxylate, D-Luciferin Firefly, potassium salt
Appearance Crystalline solid
CAS # 115144-35-9
Molecular Formula C₁₁H₇KN₂O₃S₂
Molecular Weight 318.41
Purity ≥99.8%
Solubility ~40 mg/ml in Water
SMILES C1C(N=C(S1)C2=NC3=C(S2)C=C(C=C3)O)C(=O)[O-].[K+]
InChi InChI=1S/C11H8N2O3S2.K/c14-5-1-2-6-8(3-5)18-10(12-6)9-13-7(4-17-9)11(15)16;/h1-3,7,14H,4H2,(H,15,16);/q;+1/p-1/t7-;/m1./s1
PubChem CID 135478035
MDL Number MFCD00044928
Handling Do not take internally. Wear gloves and mask when handling the product! Avoid contact by all modes of exposure.
Storage Conditions -20ºC
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


Luciferin is a substrate for luciferase. It is oxidised by luciferase to generate light in the presence of ATP. Luciferase is used as a reporter gene linked to a promoter of interest. Luciferin is used to assess the expression of the luciferase gene. It is also used to assess ATP availability in cellular or biochemical assays.

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