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PP-1S (C₁₈₇H₂₉₁N₄₅O₅₉, 31aa synthetic research peptide, MW ~4,114 Da, CAS 910463-68-2). Research-grade peptide featuring Aib⁸, Arg³⁴, and a C18 fatty diacid at Lys26, for in vitro GLP-1 receptor–binding characterization and cAMP / β-arrestin signaling assay research. ≥99% purity, lyophilized. Research use only. Not for human consumption.

Specifications
Formula C₁₈₇H₂₉₁N₄₅O₅₉
CAS 910463-68-2
Metabolic Research Peptides RUO

PP-1S (Semaglutide)

For Research Use Only — Not for Human Consumption

Research-grade peptide featuring Aib⁸, Arg³⁴, and a C18 fatty diacid at Lys26, for in…

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Certificate of Analysis preview
Certificate of Analysis
Lot 04/23/2026 · purity confirmed by HPLC
View COA (PDF)
  • Lab-grade COA
  • 99%+ purity
  • 24-hour shipping
  • Refund-backed
RUO

For research use only. Not for human consumption. All products are sold strictly as reference standards for in-vitro laboratory research and are not intended to diagnose, treat, cure, or prevent any disease.

Description

PP-1S is a synthetic 31-amino acid research peptide with molecular formula C₁₈₇H₂₉₁N₄₅O₅₉, a molecular weight of approximately 4,113.58 Da, and CAS number 910463-68-2. The peptide shares 94% structural homology with native human glucagon-like peptide-1 (7-37) and incorporates three modifications: an α-aminoisobutyric acid (Aib) substitution at position 8 for dipeptidyl peptidase-IV (DPP-IV) resistance, an Arg substitution at position 34 to ensure single-site fatty acid conjugation, and a C18 octadecanedioic fatty diacid moiety conjugated at Lys26 via a γ-glutamic acid spacer and mini-PEG (aminoethyloxy-acetyl) linker enabling in vitro albumin-binding behavior.

In laboratory research, PP-1S is used in GLP-1 receptor–binding studies via cAMP/PKA and β-arrestin signaling pathway assays, in vitro pancreatic beta-cell model assays, cellular signaling experiments in CNS cell culture systems, receptor-binding affinity characterizations (Ki ~0.38 nM), and comparative in vitro structure–activity studies against other research-grade receptor-binding peptides.

Supplied as a lyophilized powder with ≥99% purity verified by HPLC. For storage and handling conditions, refer to the Certificate of Analysis provided with each lot. This product is intended strictly for laboratory research use only (RUO) and is not for human consumption, therapeutic use, or any diagnostic purposes.

Third-Party Lab Analysis

Every batch is independently tested by a USA-based, ISO/IEC 17025-accredited third-party laboratory. Download or preview the Certificate of Analysis for each lot below.

5mg

Lot: PP412-26-001Tested: 04/23/2026
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10mg

Lot: PP412-26-001Tested: 04/23/2026
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Additional information

Vial Size

5mg, 10mg

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