Acetyl Tetrapeptide-5 (CAS 820959-17-9) is supplied by TCS NEXUS S.L. (Valencia, Spain) for European cosmetic brands, formulation teams and contract manufacturers reviewing eye-area, delicate-skin and peptide serum concepts. This page presents Acetyl Tetrapeptide-5 as a B2B cosmetic raw material: evidence language is kept to raw-material identity, mechanism-informed positioning and formulation review, not finished-product efficacy claims.
> Technical Specifications
| Product Name | Acetyl Tetrapeptide-5 |
|---|---|
| Molecular Structure |  |
| CAS Number | 820959-17-9 |
| Alias / Common Name | Acetyl Tetrapeptide-5; Eyeseryl |
| Molecular Formula | C20H28N8O7 |
| Molecular Weight | 492.5 g/mol |
| INCI Name | Acetyl Tetrapeptide-5 |
| Purity / Assay | ≥98% (HPLC); confirm by batch COA |
| Appearance | White to off-white powder |
| Solubility / Handling | Water soluble; prepare an aqueous premix and review clarity before scale-up |
| pH Stability | Review in pH 4.5-7.0 eye-area and leave-on systems |
| Storage | Store sealed, dry and protected from direct light; review batch COA |
> Formulation Positioning
Acetyl Tetrapeptide-5 is a eye-area peptide raw material reviewed for eye-area, delicate-skin and peptide serum concepts. The evidence boundary is conservative: without product-specific finished-formula data, this page uses “reviewed for”, “positioned within” and “evaluated with” rather than direct claims that the raw material repairs, prevents or improves skin conditions.
Formulation teams may compare Acetyl Tetrapeptide-5 with N-acetyl carnosine, ectoin, hyaluronic acid and other peptide actives. The final cosmetic claim direction should be set by the finished product formula, use level, stability results and market compliance review.
> Application Concepts
Leave-On Serum and Emulsion Concepts
Acetyl Tetrapeptide-5 can be reviewed for serums, emulsions and gel bases where the active system is built around eye-area, delicate-skin and peptide serum concepts. Use the raw material as one component in a complete formula architecture.
Multi-Peptide Daily-Care Formulations
Brands may evaluate Acetyl Tetrapeptide-5 with N-acetyl carnosine, ectoin, hyaluronic acid and other peptide actives. Compatibility should be checked in the target base, especially when combining peptides, humectants, antioxidants or carrier systems.
Technical Sourcing and Portfolio Comparison
Procurement teams compare related raw materials by CAS number, documentation package, chemical form and handling profile. Acetyl Tetrapeptide-5 fits technical portfolio reviews needing clear identity and European supply communication.
> Handling & Formulation Notes
Water soluble; prepare an aqueous premix and review clarity before scale-up. Use cool-down addition at or below 45°C. Review in pH 4.5-7.0 eye-area and leave-on systems. Confirm appearance, odour, pH drift, assay and preservative compatibility in the finished formula before scale-up.
TCS NEXUS S.L. does not publish a fixed use level for Acetyl Tetrapeptide-5; the evaluation range depends on formula base, active combination, stability protocol and claim direction.
> Supply & Documentation
Acetyl Tetrapeptide-5 (CAS 820959-17-9) is supplied from Valencia, Spain for B2B cosmetic raw material projects. Documentation may include COA, TDS and SDS.
TCS NEXUS S.L. supports sample review, specification alignment and bulk planning for buyers in Germany, France, Italy, Spain, the Netherlands, Belgium, Poland, Sweden, Denmark, Portugal and other European markets.
> Packaging & Storage
Acetyl Tetrapeptide-5 is supplied in sealed sample or bulk packaging. Store tightly closed in a dry environment, protected from moisture and direct light.
> FAQ
What is Acetyl Tetrapeptide-5 used for in cosmetic formulation review?
Acetyl Tetrapeptide-5 is reviewed as a eye-area peptide raw material for eye-area, delicate-skin and peptide serum concepts. The wording stays within raw-material identity, formulation positioning and documentation review.
What is the CAS number for Acetyl Tetrapeptide-5?
The CAS number for Acetyl Tetrapeptide-5 is 820959-17-9. The molecular formula is C20H28N8O7 and the molecular weight is 492.5 g/mol.
Is Acetyl Tetrapeptide-5 a finished-product efficacy claim by itself?
No. Acetyl Tetrapeptide-5 is a cosmetic raw material; finished-product claims depend on the complete formula, use level, stability data and market review.
How should formulators handle Acetyl Tetrapeptide-5?
Water soluble; prepare an aqueous premix and review clarity before scale-up. Use cool-down addition at or below 45°C. Confirm clarity, pH and preservative compatibility before scale-up.
What pH range should be reviewed?
Review in pH 4.5-7.0 eye-area and leave-on systems. The practical window must be confirmed in the target base and packaging.
Can Acetyl Tetrapeptide-5 be combined with other cosmetic actives?
Acetyl Tetrapeptide-5 can be evaluated with N-acetyl carnosine, ectoin, hyaluronic acid and other peptide actives. Multi-active systems should be checked for pH drift, colour, odour, assay retention and compatibility.
Is Acetyl Tetrapeptide-5 oil soluble?
Solubilisation strategy depends on peptide structure and carrier choice. Palmitoylated forms normally require a premix or carrier review before scale-up.
How should Acetyl Tetrapeptide-5 be stored?
Store Acetyl Tetrapeptide-5 sealed, dry and protected from direct light. Follow the batch label, COA and SDS.
Does TCS NEXUS S.L. provide COA, TDS and SDS?
Yes. TCS NEXUS S.L. can provide COA, TDS and SDS for Acetyl Tetrapeptide-5 supply projects.
What MOQ and packaging options are available?
MOQ and packaging are reviewed by project scope, current stock, destination and requested specification. Sample review can precede bulk planning.
Does TCS NEXUS S.L. supply Acetyl Tetrapeptide-5 to Germany and France?
TCS NEXUS S.L. supplies Acetyl Tetrapeptide-5 to cosmetic brands, formulators and contract manufacturers in Germany and France.
Is Acetyl Tetrapeptide-5 available for Italy and Spain?
Acetyl Tetrapeptide-5 is available for Italian and Spanish cosmetic projects through TCS NEXUS S.L. in Valencia, Spain.
Can formulators in the Netherlands, Belgium and Poland request samples?
Yes. Teams in the Netherlands, Belgium and Poland can request samples, COA/TDS/SDS documentation and supply planning.
Does TCS NEXUS S.L. support Nordic and Portuguese buyers?
TCS NEXUS S.L. supports sourcing for Sweden, Denmark and Portugal as part of wider European coverage.
What Asian search terms are relevant for Acetyl Tetrapeptide-5?
For Japan, Korea and China, buyers often combine the English product name, CAS 820959-17-9 and terms such as 化粧品原料, 화장품 원료 and 化妆品原料.
> Technical Support and Samples
Request COA documents, sample availability, or support for custom synthesis.
TCS NEXUS serves as a European Lieferant (German: supplier) of cosmetic peptide raw materials for formulators and R&D laboratories. French cosmetic ingredient buyers seeking a fournisseur spécialisé for EU-compliant materia prima cosmética are welcome to request samples and documentation via the inquiry form above.