Blue Eye Bio
provides Sildenafil Mesylate (CAS 139755-91-2) as a high-purity Active Pharmaceutical Ingredient (API) for global research and development. This methanesulfonate salt form is specifically refined for pharmaceutical scientists requiring an alternative to the standard citrate salt for specialized formulation studies.
Analysis Item | Specification | Testing Method |
Chemical Name | Sildenafil Mesylate / Sildenafil Methanesulfonate | / |
CAS Number | 139755-91-2 | / |
Purity (HPLC) | ≥ 99.0% | HPLC Verified |
Solubility | Enhanced Aqueous Solubility (vs. Citrate) | Lab Test |
Appearance | White to off-white crystalline powder | Visual |
"While Sildenafil Citrate is the industrial standard, Sildenafil Mesylate offers distinct advantages in the Drug Development Pipeline. As a methanesulfonate salt, it exhibits a different dissolution profile and molecular stability."
Novel Delivery Systems: Researching liquid formulations, fast-dissolving tablets, or transdermal patches.
Unified QC Standard (UQS): Regardless of which alliance plant the raw materials come from, all methanesulfonates are 100% audited by our in-house HPLC laboratory.
Seeking the standard salt? View our [Sildenafil Citrate] series.
“Research-grade only. Not for direct human consumption.”
Q: How does Sildenafil Mesylate differ from Sildenafil Citrate?










