Buy Methyloxetanecarbamido Thiazolyl Resorcinol in Bulk: CHEN LANG BIO TECH Verified China Manufacturer

Buy methyloxetanecarbamido thiazolyl resorcinol to unlock the next evolution in cosmetic whitening innovation. Known globally under the trade name KT-939 or Oximidol, this advanced resorcinol derivative represents a milestone in the development of safe, high-performance skin brightening ingredients. With growing consumer demand for gentle yet powerful hyperpigmentation solutions, cosmetic brands are turning to scientifically refined actives like KT-939 to achieve even skin tone, luminosity, and visible clarity without irritation or instability.

 

At CHEN LANG BIO TECH, we proudly stand as a verified China cosmetic ingredient factory and KT-939 supplier, delivering premium-grade methyloxetanecarbamido thiazolyl resorcinol powder in bulk quantities to global OEM, ODM, and formulation partners.

 

 

Understanding Methyloxetanecarbamido Thiazolyl Resorcinol (KT-939)

 

Molecular Identity and Structure

 

Methyloxetanecarbamido thiazolyl resorcinol (CAS No. 3081328-14-2) is a highly specialized resorcinol-based tyrosinase inhibitor developed to surpass the performance and stability of earlier whitening actives such as Thiamidol and 4-n-butylresorcinol. Its chemical backbone integrates a methyloxetane ring and thiazolyl group, creating an optimized structure that provides:

 

Enhanced lipophilicity for deep epidermal penetration.

 

Improved photostability and thermal resistance.

 

Superior tyrosinase binding efficiency, even at low concentrations.

 

These features make KT-939 a premium ingredient for brightening, anti-spot, and tone-correcting skincare formulations.

 

How It Works

 

It acts by inhibiting tyrosinase, the key enzyme responsible for melanin synthesis. By blocking the enzyme’s active copper-binding site, KT-939 prevents the oxidation of tyrosine to melanin, thereby reducing pigment formation. Unlike hydroquinone or arbutin, it selectively targets human tyrosinase with minimal cytotoxicity, allowing continuous, safe daily use even for sensitive or post-treatment skin.

 

Key Advantages of KT-939 for Cosmetic Formulators

 

1. High Stability and Formulation Compatibility

 

KT-939’s unique molecular modification ensures excellent stability under exposure to light, heat, and variable pH environments (4.0–8.0). This makes it ideal for a wide range of applications—serums, creams, lotions, ampoules, and emulsions—without the discoloration or degradation often seen in other brighteners.

 

2. Exceptional Efficacy at Low Concentration

 

Clinical in-vitro tests have demonstrated that KT-939 maintains strong tyrosinase inhibition activity at just 0.05–0.1%, enabling cost-efficient formulations that deliver visible results in as little as four weeks.

 

3. Safety for Sensitive Skin

 

Dermatological studies confirm KT-939’s non-irritating, non-sensitizing profile, making it suitable for formulations targeting reactive or sensitive skin. Its low toxicity and absence of photoreactive compounds ensure high tolerability and consumer confidence.

 

4. Compatibility with Active Synergies

 

KT-939 works synergistically with other brightening and anti-aging actives such as:

 

•Niacinamide (Vitamin B3): Reduces melanosome transfer.

 

•3-O-Ethyl Ascorbic Acid: Enhances antioxidant defense and collagen support.

 

•Tranexamic Acid: Targets inflammation-related pigmentation.

 

•This allows formulators to develop multifunctional brightening systems that address multiple pigmentation pathways.

 

Recommended Formulation Applications

 

Product Type	Recommended Dosage (%)	Key Benefits
Whitening serums	0.05–0.15	Brightening, tone correction, anti-spot effect
Moisturizing creams	0.05–0.2	Luminosity, hydration, skin clarity
Spot treatment gels	0.1–0.3	Targeted melanin reduction
Post-acne brightening essence	0.05–0.1	Evens post-inflammatory pigmentation

 

KT-939’s neutral pH compatibility allows smooth integration with both water-based and oil-based systems, simplifying formulation design and scaling.

 

Comparison: KT-939 vs. Traditional Whitening Ingredients

 

Ingredient	Efficacy	Stability	Safety	Cost Efficiency
Hydroquinone	High	Poor (oxidizes easily)	Irritating	Restricted use
Kojic Acid	Moderate	Unstable	Moderate irritation	Low
Alpha-Arbutin	Mild	Moderate	Safe	Moderate
Thiamidol	High	Good	Safe	High cost
Methyloxetanecarbamido Thiazolyl Resorcinol (KT-939)	High to Very High	Excellent	Very Safe	High efficiency, cost-effective

 

This data clearly illustrates why KT-939 is considered the new generation whitening molecule, balancing efficacy, stability, and formulation economy.

 

Why Choose CHEN LANG BIO TECH as Your KT-939 Supplier

 

Quality Control and Production Standards at CHEN LANG BIO TECH

 

At CHEN LANG BIO TECH, we understand that ingredient quality defines formulation success. Our methyloxetanecarbamido thiazolyl resorcinol powder is produced under stringent GMP and ISO 9001-certified conditions to ensure exceptional purity and consistency.

 

Our Quality Standards Include:

 

♦Purity ≥ 99%, verified through HPLC and LC-MS.

 

♦Heavy metals: below 10 ppm total (Pb, Cd, As, Hg).

 

♦Loss on drying: ≤ 1.0%.

 

♦Microbial limits: < 100 CFU/g, no pathogens detected.

 

Each production batch is traceable with a complete Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS). Our facility also employs advanced atomic fluorescence spectrometry, membrane filtration, and spray-drying technology for optimized purity and powder uniformity.

 

COA of KT939

 

 

HPLC KT939

 

 

Manufacturing Excellence and Global Supply Capacity

 

As a verified China KT-939 supplier and cosmetic ingredient factory, CHEN LANG BIO TECH operates multiple extraction and synthesis lines dedicated to cosmetic-grade actives.

 

Annual production capacity: 600 tons of active ingredients.

 

KT-939 stock availability: 300–500 kg for immediate shipment.

 

Lead time: 2–3 working days for standard orders.

 

Delivery support: Global air and sea freight with temperature-controlled packaging.

 

Our in-house R&D department collaborates with cosmetic chemists to refine formulations and tailor concentrations for OEM / ODM projects worldwide. Whether for large-scale manufacturing or pilot testing, we guarantee reliable supply continuity and technical support at every stage.

 

Sustainable and Responsible Manufacturing

 

CHEN LANG BIO TECH integrates green chemistry principles into all production processes. Our KT-939 synthesis employs energy-efficient catalytic reactions with minimal solvent waste, ensuring environmental compliance and sustainable sourcing. We adhere to the strictest EHS (Environmental, Health & Safety) standards and maintain Halal, Kosher, and BRC certifications, enabling our customers to market products that align with global ethical standards.

 

Conclusion: The Smart Choice for Modern Whitening Formulations

 

In today’s evolving skincare market, the demand for safe, effective, and scientifically advanced whitening actives continues to grow. Methyloxetanecarbamido thiazolyl resorcinol (KT-939) delivers exceptional performance in brightening, tone correction, and melanin regulation while maintaining outstanding formulation stability and user safety.

 

As a verified China manufacturer, CHEN LANG BIO TECH combines technical excellence with responsive service to support brands in developing world-class brightening and anti-spot formulations. Whether you’re formulating high-end skincare, OTC cosmeceuticals, or professional treatment lines, our bulk KT-939 supply provides the purity, performance, and partnership your business demands.

 

Contact us email:admin@chenlangbio.com now to get more information about buy methyloxetanecarbamido thiazolyl resorcinol online.

 

References

 

1.Kintor Pharma Technical Bulletin (2024): KT-939—A Novel Tyrosinase Inhibitor for Advanced Brightening Formulations.

2.Beiersdorf Research Report (2023): Comparative Efficacy of Thiazolyl Resorcinol Derivatives in Hyperpigmentation.

3.Chen L., Zhao M., and Wang Y. Evaluation of Methyloxetanecarbamido Thiazolyl Resorcinol as a Safe Whitening Agent. International Journal of Cosmetic Science, 2025.

4.CHEN LANG BIO TECH Internal Data Sheet, 2025: KT-939 Production and Quality Control Parameters.