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| Product name | CAS:928006-88-6;Acetyltetrapeptide 11 |
| Sequence | Ac-PPYL |
| Three letter sequence | Ac-Pro-Pro-Tyr-Leu |
| Peptide purity (HPLC, %) | 95%/99% |
| Molecular formula | C27H38N4O7 |
| Molecular weight (Da) | 530.61 |
Product Basic Information Table
| Product Standard English Name | Product Abbreviation / Alias | Function Tags (comma-separated) | Amino Acid Full Name Sequence | Molecular Formula | Exact Molecular Weight (Da) | Average Molecular Weight (Da) | Terminal Modification - N-terminus | Terminal Modification - C-terminus | Sequence Length (aa) |
| Acetyltetrapeptide 11 | #Acetyltetrapeptide 11 #Soothing repair peptide; #Neurotransmitter inhibitory peptide; #Sensitive skin care active peptide | Skin soothing & anti-sensitivity, neurotransmitter inhibition, redness & stinging relief, botox-like soothing, skin barrier repair, cosmetic active raw material | Acetyl-Arginine-Histidine-Tryptophan-Phenylalanine | C₃₄H₄₄N₁₂O₆ | 716.3452 | 716.78 | Acetylation modification | Free carboxyl group | 4 |
Physicochemical Solubility & Storage Parameters
| Product Code | Appearance | Long-term Storage Conditions | Short-term Storage Conditions | Liquid Stability | Solid Powder Stability |
| PEP-AT11 | White powder | -20℃, sealed away from light, aliquoted, avoid repeated freeze-thaw | 2-8℃, use within 1 month; prepare fresh before experiment | Stable for 24 h at 4℃ | 3 years at -20℃, 2 years at 4℃ |
Functional Description
| Product Code | Frontend Short Summary (for search list display) | Detailed Biological Function Description | Applicable Research Areas (comma-separated) | Target / Receptor |
| PEP-AT11 | Soothing active tetrapeptide Acetyltetrapeptide 11 blocks cutaneous neurotransmitter release to relieve sensitive redness, for in vitro efficacy evaluation of repair & anti-sensitivity skincare | Acetyltetrapeptide 11 is synthetic N-terminally acetylated tetrapeptide. It acts on nerve endings in skin stratum corneum, inhibits secretion of algogenic & pro-inflammatory neurotransmitters including Substance P and CGRP, reduces neuronal hyperreactivity of sensitive skin. It rapidly alleviates redness, burning and stinging triggered by external irritants, repairs damaged skin barrier with dual soothing and anti-wrinkle benefits. Widely applied in sensitive skin raw material screening, cutaneous nerve sensitivity cell models and in vitro verification of anti-inflammatory soothing efficacy, suitable for skin pharmacology and cosmetic repair ingredient development research | Skin pharmacology, sensitive skin repair raw material, nerve soothing & anti-sensitivity, neurotransmitter regulation, skin barrier repair, soothing skincare screening | Cutaneous sensory neurons, Substance P secretion pathway, TRPV1 capsaicin receptor, keratinocytes |
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