Methyl leucine undecene CAS NO.1246371-29-8
<p><strong>Methyl leucine undecene</strong> is a unique amino acid derivative and fragrance molecule used in both fine perfumery and functional cosmetic formulations. It is often associated with creating distinctive <strong>woody, amber, and musky olfactory profiles</strong>. Beyond its role as a fragrance ingredient, it may also be explored for its potential functional properties, such as skin conditioning and serv…
About this product
Product information from the supplier.
TECHNICAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Product Name | Methyl Undecenoyl Leucinate |
| CAS NO. | 1246371-29-8 |
| Appearance | White to off-white lyophilized powder |
| Molecular Formula | C₁₈H₃₃NO₃ |
| Molecular Weight | 311.5g/mol |
| Purity (RP-HPLC) | ≥ 95.0% |
| Solubility | Soluble in ethanol, propylene glycol, and most cosmetic oils; slightly soluble in water |
| Endotoxin | < 1.0 EU/mg |
| Biological Activity | α-MSH antagonist; inhibits tyrosinase activity and melanin synthesis; downregulates melanogenic gene expression (MITF, tyrosinase, TRP-1/2); used in skin brightening and hyperpigmentation treatments |
| Storage Conditions | Store at 2-8°C in a cool, dry place; protect from light and moisture; avoid extreme temperatures. |
| Stock Location | Stock in USA |
| MOQ | 1g |
1.MECHANISM OF ACTION
- Olfactory (Fragrance) Mechanism: As a fragrance ingredient, its primary mechanism is olfactory receptor binding. The specific molecular structure of methyl leucine undecene interacts with olfactory receptors in the nasal epithelium, generating a complex and long-lasting sensory perception characterized by warm, woody, and ambery notes.
- Potential Cosmetic Function: When used as a functional ingredient beyond fragrance, it may act as:
- A skin conditioning agent, potentially contributing to emolliency or film-forming properties due to its lipophilic hydrocarbon chain.
- A precursor or building block in the synthesis of other specialized peptides or active compounds, leveraging its modified leucine structure.
- Fragrance & Perfumery:
- As a base or heart note in fine fragrances, colognes, and perfumes to impart depth, warmth, and persistence.
- In the creation of niche and luxury scent profiles with woody, amber, and musk accords.
- Cosmetic & Personal Care Formulations:
- As a functional fragrance in skincare, haircare, and body care products where a specific, sophisticated scent profile is desired.
- Potentially as a multifunctional ingredient in products where skin conditioning benefits are sought alongside olfactive appeal.
- As a chemical intermediate in research & development for novel cosmetic actives.
- Fragrance Efficacy: Its efficacy is evaluated sensorially. It is prized by perfumers for its ability to provide excellent tenacity (long-lasting scent), diffusion, and a unique olfactive signature that blends well with other materials to create complex fragrances. There is no "clinical" efficacy for smell in the medical sense, but its performance is assessed through expert evaluation and stability testing in fragrance bases.
- Cosmetic Efficacy: Any functional skin conditioning claims would require specific formulation studies and supportive data. Its primary and well-established value remains in its olfactory performance and contribution to product aesthetics.
GlobalTech Co., Ltd. is committed to providing high-purity biotechnological peptide products, adhering strictly to quality standards and obtaining internationally recognized certifications.

2.PRODUCT INDICATIONS

3.CLINICAL EFFICACY OF PRODUCT

4.Certificate
Our production partners all employ GMP-compliant production systems and possess standardized quality control processes covering raw material procurement, synthesis, purification, testing, packaging, and storage. Each batch of product comes with complete documentation, including a Certificate of Analysis (COA), HPLC purity report, mass spectrometry (MS) chromatograms, and third-party testing reports available upon request.
We prioritize:
1.A rigorous quality management system
2.Batch traceability and stability data
3.Professional laboratory testing and validation
4.Compliance with international trade standards
Our commitment to quality, transparency, and regulatory compliance ensures the provision of reliable, stable, and research-grade peptide products to our global partners.

5.DELIVERY & SHIPPING
We specialize in global logistics for various cosmetic peptides. Your order will be handled with the utmost care, ensuring safe, reliable, and intact delivery.
Professional and Secure Packaging
Each bottle of peptide is protected with a special packaging solution to ensure stability and integrity during transportation.
We can also customize packaging according to customer needs.
Shipping Methods
Main Method: International Air Freight
We primarily use DHL, FedEx, UPS, and TNT because of their global reliability, speed, and advanced tracking systems. Air freight ensures the fastest transit time and minimizes the impact of environmental factors on the product.

Global Technology Co., Ltd. is a modern and advanced enterprise specializing in the production and export of active pharmaceutical ingredients (APIs), peptides, and plant extracts. The company invests in and collaborates closely with domestic manufacturers holding GMP, DMF, and FDA certifications, as well as laboratories at renowned universities, to meet diverse customer needs ranging from gram-level to ton-level. This enables Dejurui Pharmaceutical to provide customers with more flexible and convenient access to cost-effective, high-quality products and superior services.
We focus on the research and development and supply of high-quality chemical products, strictly adhering to international standards and quality systems. Our products are stable in performance and reliable in purity, widely used in industrial manufacturing, scientific research, and the fine chemical industry. We provide solid support at every stage with a professional and responsible attitude.
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