Certificate of Analysis

 

Product Name: LEO 39652
Catalog Number: M21314
CAS Number: 1445656-91-6

Physical and Chemical Properties
Formula: C23H23N3O5
Molecular Weight: 421.45
Solubility: DMSO : 25 mg/mL
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: LEO 39652 Structure
Analytical Data
QC Standard: >99%
H-NMR: Consistent with structure
Product Information
Description: LEO 39652 is a dual-soft PDE4 inhibitor with IC50 values of 1.2 nM for PDE4A, 1.2 nM for PDE4B, 3.0 nM for PDE4C, and 3.8 nM for PDE4D. LEO 39652 also inhibits TNF-α with an IC50 value of 6.0 nM. LEO 39652 is used in topical studies of atopic dermatitis.
   
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.