• OP Labs formerly Oxford Peptides.
• Batch HPLC tested at 99%+ purity.
• Store frozen long term or in fridge when ready to be used.
• Sold for research purposes only.
• Contact us for Wholesale Orders.

Download COA here: SNAP-8.pdf
Please note if you have a different Batch ID please contact us for the latest COA.

SNAP-8

Chemical Identity & Synonyms

• Name: SNAP‑8 (Acetyl Octapeptide‑3)
• Synonyms: Acetyl Glutamyl Heptapeptide‑3; UNII‑8K14HJF88S
• CAS Number: 868844‑74‑0
• PubChem CID: 86080331

Amino Acid Sequence & Molecular Data

• Sequence: Ac‑Glu‑Glu‑Met‑Gln‑Arg‑Arg‑Ala‑Asp‑NH₂
• Formula: C₄₁H₇₀N₁₆O₁₆S
• Molecular Weight: ~1 075.2 Da

Structural Features

• Linear octapeptide with N‑terminal acetylation and C‑terminal amidation to enhance chemical stability :contentReference[oaicite:2]{index=2}.
• Contains methionine (–SCH₃) and two arginine residues, facilitating ionic interactions :contentReference[oaicite:3]{index=3}.

Physicochemical Properties

• XLogP: –7.7 (highly hydrophilic) :contentReference[oaicite:4]{index=4}.
• Hydrogen bond donors/acceptors: 17 donors, 19 acceptors :contentReference[oaicite:5]{index=5}.
• Topological polar surface area: ~532 Ų :contentReference[oaicite:6]{index=6}.
• Rotatable bonds: 38 :contentReference[oaicite:7]{index=7}.

Analytical & Purity Data

• Typically supplied as ≥98–99% pure lyophilized peptide :contentReference[oaicite:8]{index=8}.
• Stable in powder form at ≤ –18 °C; reconstituted solutions stored at 4 °C short term :contentReference[oaicite:9]{index=9}.
• LC‑MS/MS methods detect down to LOQ ~0.0125 ng/mg with high accuracy (r ≥ 0.997) :contentReference[oaicite:10]{index=10}.

Analytical Identifiers

• InChIKey: KMACPCJUCHVVGP‑CAEOOXSDNA‑N :contentReference[oaicite:11]{index=11}.
• SMILES: Provided in PubChem data for structural verification :contentReference[oaicite:12]{index=12}.

📚 References (Academic Sources Only)

1. Molecular architecture & properties: SNAP‑8 as linear Ac‑EEMQRRAD‑NH₂ octapeptide with XLogP –7.7, rotatable bonds 38, H‑bond donors/acceptors 17/19, PSA ~532 Ų, PubChem CID 86080331 :contentReference[oaicite:13]{index=13}.
2. CAS, formula, sequence confirmed by chemical supplier data: C₄₁H₇₀N₁₆O₁₆S; MW ~1075.17 Da; purity ≥98% :contentReference[oaicite:14]{index=14}.
3. InChIKey, density, solubility and instrument analysis: defined structure and storage conditions :contentReference[oaicite:15]{index=15}.
4. LC‑MS/MS analytical method: LOD 0.0025 ng/mg, LOQ 0.0125 ng/mg, repeatability 0.02–0.12% :contentReference[oaicite:16]{index=16}.
5. Supplier structural summary and peptide alias information :contentReference[oaicite:17]{index=17}.

Keywords: SNAP-8, Acetyl hexapeptide-8 or acetyl hexapeptide-8 amide.