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D-Luciferin sodium salt

Name: D-Luciferin sodium salt
Brand: Selleck Chemicals
SKU: S6924
Rating: 5 (6 reviews)

Synonyms: D-(-)-Luciferin sodium salt, Firefly luciferin sodium salt

Catalog No.S6924 Purity:99.92%

D-Luciferin (D-(-)-Luciferin, Firefly luciferin) sodium salt is the natural substrate of luciferases that catalyze the production of light in bioluminescent insects.

D-Luciferin sodium salt Chemical Structure

CAS No. 103404-75-7

Purity & Quality Control

Batch: Purity: 99.92%

99.92

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Biological Activity

Description	D-Luciferin (D-(-)-Luciferin, Firefly luciferin) sodium salt is the natural substrate of luciferases that catalyze the production of light in bioluminescent insects.

In vitro
In vitro	1.Example protocol for in vitro bioluminescent image assays a) Prepare a 100 mM (100-200X) Luciferin stock solution in sterile water. Mix well. Use immediately, or make single use aliquots, and store at -20℃, avoid freeze-thaw cycles, avoid exposure to the light. b) Prepare a 0.5-1 mM working solution of D-Luciferin in pre-warmed tissue culture medium. c) Aspirate media from cultured cells. d) Add Luciferin working solution to cells, and incubate the cells for 5-10 minutes at 37℃ just prior to imaging. 2.Example protocol for in vivo bioluminescent image assays a) Prepare a 15 mg/mL Luciferin stock solution in DPBS, without Mg2+ and Ca2+. Mix well. b) Filter sterilizes the solution through a 0.2 μm filter. Use immediately, or make single use aliquots, and store at -20℃, avoid freeze-thaw cycles, avoid exposure to the light. c) Inject the luciferin intra-peritoneally (i.p.) 10-15 minutes before imaging at 150 mg/kg (or 10 μL/g of luciferin stock solution) of the animal body weight. Note: A kinetic study of luciferin should be performed for each animal model to determine peak signal time. 3.Example protocol for luciferin reporter assays a) Prepare a 100 mM Luciferin stock solution in sterile water. Use immediately, or make single use aliquots, and store at -20℃, avoid freeze-thaw cycles, avoid exposure to the light. b) Prepare a 1 mM working solution of D-Luciferin with 3 mM ATP, 1 mM DTT and 15 mM MgSO4 in 25 mM tricine buffer pH 7.8. c) Pipette 5-10 μLof cell lysate into a microplate. Use lysis reagent or buffer without lysate as a blank. d) Prime luminometer with luciferin working solution. e) Inject 200 μL of luciferin working solution with no delay and a 10 second integration time.

References

[1] Giuseppe Meroni, et al. Special Issue Reviews and Accounts. ARKIVOC 2009 (i) 265-288.

Chemical Information & Solubility

Molecular Weight	302.3	Formula	C₁₁H₇N₂NaO₃S₂
CAS No.	103404-75-7	SDF	--
Smiles	OC1=CC=C2N=C(SC2=C1)C3=NC(CS3)C(=O)O[Na]
Storage (From the date of receipt)	3 years -20°C(in the dark) powder	Storage of Stock Solutions Aliquot the stock solutions to avoid repeated freeze-thaw cycles	1 year-80°Cin solvent
Storage (From the date of receipt)	3 years -20°C(in the dark) powder		1 month-20°Cin solvent

In vitro
Batch:

Water : 100 mg/mL

DMSO : 40 mg/mL ( (132.31 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : Insoluble

Molecular Weight Calculator

In vivo
Batch:

Add solvents to the product individually and in order.

In vivo Formulation Calculator

Preparing Stock Solutions

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
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Dilution Calculator Molecular Weight Calculator

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg Average weight of animals: g Dosing volume per animal:μL Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO + % + % Tween 80 + % ddH₂O

%DMSO+ %

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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