Understand the source comparison
SS-LUP-332 vs SS LUP 332 — Same Peptide, Different Format
Those hyphens aren't marking a different peptide. Remove them and you have the exact same compound. SS-LUP-332 and SS LUP 332 are identical amino-acid sequences, just written two different ways. The confusion stems from inconsistent vendor naming conventions
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This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.
- Those hyphens aren't marking a different peptide. Remove them and you have the exact same compound. SS-LUP-332 and SS LUP 332 are identical amino-acid sequences, just written two different ways. The confusion stems from inconsistent vendor naming conventions, not from differences in molecular structure, purity, or bioactivity. Both refer to the same research-grade peptide used in metabolic and cellular signalling studies, though the formatting variation appears across supplier catalogs, research publications, and laboratory ordering systems.
- We've worked with hundreds of researchers navigating peptide procurement, and this naming discrepancy ranks among the most common ordering errors. The gap between recognizing a formatting difference and accidentally ordering duplicate stock comes down to knowing what makes peptide identifiers interchangeable versus distinct.
- What's the difference between SS-LUP-332 and SS LUP 332?
- SS-LUP-332 and SS LUP 332 are the same peptide compound. The hyphen is a typographic convention used by some suppliers and omitted by others. Both identifiers refer to an identical amino-acid sequence synthesized under the same purity standards (typically ≥98% by HPLC). The molecular weight, CAS number (if assigned), and biological activity remain constant regardless of which format appears on the supplier label.
- The notation pattern. Uppercase letters, numeric suffix, optional hyphens. Follows standard research peptide nomenclature but lacks the regulatory standardization applied to FDA-approved drugs. Unlike semaglutide (which has a single INN designation), research peptides like SS-LUP-332 operate without universal naming enforcement. One catalog lists it hyphenated; another spaces it; a third might collapse it entirely into SSLUP332. All three point to the same compound.
- This article covers what makes peptide identifiers equivalent despite formatting differences, how to verify you're ordering the correct compound when names vary, and what metadata actually matters when SS-LUP-332 appears under three different labels in three different databases.