Product
Supplier
Encyclopedia
Inquiry
Home > Active Pharmaceutical Ingredients > Other Chemical Drugs > N2-Acetyl-L-lysyl-L-alpha-aspartyl-L-valyl-L-tyrosine for Sale > Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations
Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations buy - large image1
Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations buy - image1
Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations buy - image2
Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations buy - image3
Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations buy - image4
Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations buy - image5
Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations buy - image6

Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations

1 Inquiries

Unit Price:

$1.1/G FOB

Get Latest Price
CAS No.:

757942-88-4

Grade:

Pharmaceutical Grade

Content:

99%

Port:

Ningbo

Brand:

Ascent

Packaging:

5/10/15/20/30/60mg 10vials/box

Price valid (until):

2026-09-06

Company Type:
Trader
Location:
China
Qualification:
Main Products:

Retatrutide,Semaglutide,Tirzepatide

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Acetyl Tetrapeptide-2 is an acetylated four-amino-acid cosmetic peptide used in formulations positioned for firming, elasticity support and mature-skin care. The defined Ac-Lys-Asp-Val-Tyr sequence offers formulators a compact peptide active for premium serums, creams, neck products and multi-peptide systems.

    Shop Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations-Detailed Image 1 Shop Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations-Detailed Image 2 Shop Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations-Detailed Image 3


    Basic Product Information

    Product Name

    Acetyl Tetrapeptide-2

    CAS Number

    757942-88-4

    Molecular Formula

    C26H39N5O9

    Molecular Weight

    565.6 g/mol

    Sequence or Structure

    Ac-Lys-Asp-Val-Tyr-OH

    Synonyms

    Acetyl KDVY; Ac-KDVY-OH

    Product Category

    Acetylated cosmetic tetrapeptide

    Supply Basis

    Agreed specification and batch COA

     

    Key Product Value

    Firming and elasticity positioning. Supports cosmetic concepts centered on a firmer-looking, more resilient and well-conditioned skin appearance.

    Extracellular-matrix research interest. The peptide is studied in pathways related to extracellular-matrix organization and structural skin support; finished-product claims require appropriate substantiation.

    Flexible use in peptide systems. Its compact sequence makes it suitable for combining with moisturizing, barrier-care and other cosmetic peptide ingredients.

    Main Application Areas

    Firming facial serums. For concentrated leave-on products designed around skin tone, texture and a firmer-looking appearance.

    Mature-skin creams. For daily face creams that combine peptide positioning with moisturization and barrier support from the full formula.

    Neck and décolleté care. For targeted products intended to improve the conditioned and smoother-looking appearance of commonly exposed areas.

    Multi-active and multi-peptide products. For complex formulas where several complementary ingredients build a differentiated elasticity and age-care story.


    Shop Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations-Detailed Image 4

    Shop Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations-Detailed Image 5

    Shop Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations-Detailed Image 6 Shop Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations-Detailed Image 7






    ASCENTPEPTIDES Supply Advantages

    Specification-based supply. Identity, content, critical impurities and product form are confirmed before

    shipment.

    Batch documentation. A batch-specific COA is provided; SDS and technical information are available

    according to the item and order requirements.

    Flexible commercial support. Sample evaluation, trial quantities, commercial orders and customized

    packaging can be discussed subject to availability.

    Application-aware communication. Intended use, target market, active basis, packaging and

    documentation are clarified to reduce purchasing mismatch.


    Frequently Asked Questions

    What should be confirmed before ordering? Confirm the exact product name, CAS number, molecular form, required quantity, purity target, packaging, destination, and document list. For modified or species-specific materials, also confirm the complete sequence and modification pattern.

    Does 98% purity mean 98% active content? Not necessarily. Chromatographic purity is usually a relative peak-area result. Water, counter-ions, salts, and other non-volatile components may affect the weighed amount. Ask for the content basis when exact molar preparation is important.

    Which documents are commonly available? A lot-specific Certificate of Analysis is the main document. Supporting chromatographic and mass data can be discussed, together with any additional test agreed before release.

    Can the package size be customized? Yes, subject to material compatibility and production feasibility. Small research packs, multiple matched units, or larger research quantities can be reviewed during quotation.

    How should a working concentration be selected? There is no single concentration suitable for every model. Researchers should begin with relevant published methods or prior internal data, then perform a range study with suitable controls.

    How long can a prepared solution be kept? The answer depends on solvent, concentration, pH, temperature, light, container, and assay requirements. Use freshly prepared solution when possible or establish a validated holding period for the specific method.

    Why is the lot certificate important? The certificate connects the physical material to its batch number, test results, product form, and storage statement. General website information cannot replace the delivered lot record.

    Who is the intended customer? The material is intended for trained professionals in qualified laboratory, biotechnology, industrial research, academic, or contract research settings.


    Research-Use Statement

    This material is supplied solely for laboratory research and analytical work by trained professionals. It is not supplied for human or veterinary use, food use, household use, or diagnostic procedures. The purchaser is responsible for assessing suitability, reviewing the lot documents, establishing safe laboratory procedures, and following applicable institutional and local requirements.


    Packaging, Storage and Use Statement

    Commercial packaging is selected according to the product form and order quantity. Inner packaging, net weight, label language, shipping marks and customized configurations should be confirmed in the quotation.

    Keep in the original tightly closed package in a cool, dry place, protected from light, moisture and air. After opening, reseal promptly and use clean handling procedures. Exact storage, shelf-life and retest instructions follow the label and batch documentation.


    Research & Reference Note

    Acetyl Tetrapeptide-2 Cosmetic Peptide for Firming and Skin Care Formulations is listed on ECHEMI for industrial / laboratory sourcing. This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.

    Disclaimer: This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.

    Reviewed by ECHEMI Scientific Review - Platform editorial review for research chemicals

    Basic Info
    Product Name:

    N2-Acetyl-L-lysyl-L-alpha-aspartyl-L-valyl-L-tyrosine

    Other Name:

    N2-Acetyl-L-lysyl-L-alpha-aspartyl-L-valyl-L-tyrosine;Thymulen 4;Uplevity;acetyl tetrapeptide-2/Uplevity;L-Tyrosine, N2-acetyl-L-lysyl-L-α-aspartyl-L-valyl-;Ac-Lys-Asp-Val-Tyr;Ac-KDVY-OH;(2S,5S,8S,11S)-11-(4-Aminobutyl)-8-(carboxymethyl)-2-(4-hydroxybenzyl)-5-isopropyl-4,7,10,13-tetraoxo-3,6,9,12-tetraazatetradecan-1-oic acid

    CAS No.:

    757942-88-4

    Molecular Formula:

    C26H39N5O9

    InChIKeys:

    ITIMHIATVYROGF-FGRPAIAPNA-N

    Molecular Weight:

    565.62

    EC Number:

    000-000-0

    Color/Form:

    White to off-white

    Categories:

    Other Chemical Drugs

    Characteristics
    Density:

    1.296±0.06 g/cm3(Predicted)

    Boiling Point:

    1015.0±65.0 °C(Predicted)

    PKA:

    3.07±0.10(Predicted)

    Critical Temperature & Pressure:

    Keep in dark place,Inert atmosphere,Room temperature

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Retatrutide,Semaglutide,Tirzepatide

    Location:

    ROOM 203, 2ND FLOOR, BUILDING 2, NO. 265 CHENGRUI STREET, XIASHA STREET, QIANTANG DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE,CHINA 310020

    Payment Terms:

    TT against copy of documents

    Year of Establishment:

    2022

    Founded in 2022 and based in Qiantang District, Hangzhou, Zhejiang Province, China, ASCENT is a global supplier of specialty ingredients serving the pharmaceutical, biotechnology, food, nutrition, cosmetic, and personal care industries.

    Our portfolio includes active pharmaceutical ingredients (APIs), peptides, pharmaceutical intermediates, food additives, and cosmetic ingredients. We work with pharmaceutical and biotechnology companies, research institutions, food and nutrition businesses, cosmetic brands, manufacturers, formulation developers, distributors, and professional buyers worldwide.

    At ASCENT, we believe that better ingredients provide the foundation for better products. By combining reliable products, professional support, and efficient supply solutions, we help our customers simplify international sourcing, advance product development, and bring new ideas closer to market.

  • Inquiry History
    1 Inquiries
    Country Product Purchase Quantity Date Posted
    Belgium

    Cosmetic Peptide Anti-Wrinkle Acetyl Tetrapeptide-2 /Thymulen 4 CAS 757942-88-4

    1 G Feb 7, 2026
    Post an enquiry for this product
pic ×

Scan the QR Code to Share

All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.

According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.

The information shown above is provided by the enterprise itself, and the authenticity, accuracy and legitimacy of the content are the responsibility of the publishing company. ECHEMI does not bear any guarantee responsibility for this. Please be aware that risks in internet transactions objectively exist.

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.