Certificate of Analysis

 

Product Name: Astressin 2B TFA
Catalog Number: M54646

Physical and Chemical Properties
Formula: C183H307N49O53.xC2HF3O2
Molecular Weight: 4041.69 (free base)
Form: Solid
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Analytical Data
QC Standard: >98.0%
Product Information
Description: Astressin 2B TFA is a potent and selective corticotropin-releasing factor receptor 2 (CRF2) antagonist with IC50 values of 1.3 and > 500 nM for CRF2 and CRF1, respectively.
   
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.