Certificate of Analysis

 

Product Name: ProTx-I
Catalog Number: M52793
CAS Number: 484598-35-8

Physical and Chemical Properties
Formula: C₁₇₁H₂₄₅N₅₃O₄₇S₆
Molecular Weight: 3988
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: ProTx-I Structure
Analytical Data
QC Standard:
H-NMR: Consistent with structure
Product Information
Description: ProTx-I, a venom toxin of the tarantula Thrixopelma pruriens, is a potent, selective CaV3.1 channel blocker with IC50 values of 0.2 μM and 31.8 μM for hCaV3.1 and hCaV3.2 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.