Certificate of Analysis

 

Product Name: Fluorescein
Catalog Number: M9261
CAS Number: 2321-07-5

Physical and Chemical Properties
Formula: C20H12O5
Molecular Weight: 332.31
Solubility: DMSO ≥ 60 mg/mL
Storage: 4°C, protect from light
Chemical Structure: Fluorescein Structure
Analytical Data
QC Standard: >95%
H-NMR: Consistent with structure
Product Information
Description: Fluorescein is a synthetic organic compound and dye.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.