| Bioactivity | RPR103611, the betulinic acid derivative, is a potent HIV-1 entry inhibitor with IC50s of 80, 0.27, and 0.17 for CCR5-tropic virus YU2, CXCR4-tropic virus NL4-3 and dual tropic virus 89.6, respectively[1]. | 
| Name | RPR103611 | 
| CAS | 150840-75-8 | 
| Formula | C46H78N2O6 | 
| Molar Mass | 755.12 | 
| Transport | Room temperature in continental US; may vary elsewhere. | 
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis.  | 
| Reference | [1]. Reon Takeuchi, et al. Design, synthesis, and bio-evaluation of novel triterpenoid derivatives as anti-HIV-1 compounds. Bioorg Med Chem Lett. 2022 Aug 1;69:128768. |