Certificate of Analysis

 

Product Name: Calceolarioside-B
Catalog Number: M4333
CAS Number: 105471-98-5

Physical and Chemical Properties
Formula: C23H26O11
Molecular Weight: 478.45
Form: Solid
Solubility: DMSO ≥ 200 mg/mL
Storage: -20°C, protect from light, dry, sealed
Chemical Structure: Calceolarioside-B Structure
Analytical Data
QC Standard: >98%
H-NMR: Consistent with structure
Product Information
Description: Calceolarioside B is a natural product isolated from the Stauntonia hexaphylla leaf. Calceolarioside B showed significant inhibitory activity against aldose reductase (RLAR) in rat lens with IC50 value of 23.99 μM. Calceolarioside B could effectively inhibit DPPH radical scavenging activity with IC50 value of 94.60 μM.
   
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.