Testosterone Undecanoate Raw Powder
Testosterone Undecanoate Powder is a long-acting testosterone ester widely used as an Active Pharmaceutical Ingredient (API) in pharmaceutical manufacturing, research laboratories, and licensed compounding facilities. Due to its extended half-life, Testosterone Undecanoate is commonly selected for the production of long-duration injectable formulations requiring less frequent administration than shorter testosterone esters.
At Steroid Powder Lab, we supply high-purity Testosterone Undecanoate Raw Powder manufactured under strict quality control procedures. Every batch undergoes comprehensive laboratory testing to ensure identity, purity, consistency, and compliance with international pharmaceutical standards.
| Specification | Details |
|---|---|
| Product Name | Testosterone Undecanoate |
| CAS Number | 5949-44-0 |
| Molecular Formula | C30H48O3 |
| Molecular Weight | 456.70 g/mol |
| Appearance | White to Off-White Crystalline Powder |
| Assay (HPLC) | ≥99% |
| Grade | Pharmaceutical / USP Grade |
| Shelf Life | 24 Months |
| Storage | Store in a cool, dry place away from direct sunlight |
What is Testosterone Undecanoate?
Testosterone Undecanoate is a long-chain ester of testosterone designed to provide a slow and sustained release profile when formulated into injectable pharmaceutical products. Compared with shorter esters such as Testosterone Enanthate or Testosterone Cypionate, Testosterone Undecanoate offers an extended duration of action, making it a preferred raw material for manufacturers producing long-acting formulations.
As a pharmaceutical intermediate, Testosterone Undecanoate is primarily utilized by licensed pharmaceutical companies, contract manufacturers, research institutions, and analytical laboratories.
Key Features
- Pharmaceutical-grade Testosterone Undecanoate API
- Minimum 99% purity verified by HPLC
- Excellent chemical stability
- High batch-to-batch consistency
- Suitable for pharmaceutical formulation
- Strict quality control procedures
- Comprehensive Certificate of Analysis (COA)
- Third-party laboratory testing available
- Export-ready packaging
- Worldwide shipping support
Quality Assurance
Every production batch undergoes extensive laboratory evaluation before shipment.
Our Quality Control Includes
- Identity Verification
- HPLC Assay Testing
- Purity Analysis
- Moisture Content Testing
- Residual Solvent Testing
- Heavy Metal Screening
- Microbial Examination (where applicable)
- Batch Traceability
- Visual Inspection
- Packaging Integrity Verification
Each shipment can be accompanied by:
- Certificate of Analysis (COA)
- HPLC Chromatogram
- Laboratory Test Report
- Batch Number
- Manufacturing Information
Applications
Testosterone Undecanoate raw powder is commonly supplied to:
- Pharmaceutical manufacturers
- Licensed contract manufacturing organizations (CMOs)
- Research laboratories
- Analytical laboratories
- Universities
- Biotechnology companies
- Pharmaceutical R&D facilities
- Quality control laboratories
Packaging Options
We provide secure pharmaceutical packaging designed for international transportation.
Available packaging includes:
- 100 g
- 250 g
- 500 g
- 1 kg
- Custom bulk quantities
MOQ: 100 gramsInternational Shipping
Steroid Powder Lab supplies pharmaceutical raw materials to customers worldwide.
Our logistics include:
- Discreet packaging
- Secure export handling
- International courier services
- Tracking number provided
- Professional documentation
- Export-compliant packaging
- One-time reshipment policy for eligible lost or customs-seized shipments (subject to terms)
Why Choose Steroid Powder Lab?
Trusted API Supplier
We focus on supplying high-quality pharmaceutical raw materials with consistent specifications.
Batch Consistency
Each production lot follows standardized manufacturing and testing procedures.
Laboratory Verified
Products are tested before shipment to ensure purity and quality.
Worldwide Distribution
We support customers across North America, Europe, Asia, Australia, South America, and other international markets.
Responsive Customer Support
Our technical and sales teams assist with product information, documentation, shipping, and quotations.
Ordering Information
To request pricing or availability, please provide:
- Product name
- Required quantity
- Destination country
- Intended commercial or research requirements
Our team will provide:
- Current quotation
- Shipping estimate
- Lead time
- Available documentation
- Packaging options
Frequently Asked Questions (FAQ)
Is your Testosterone Undecanoate pharmaceutical grade?
Yes. We supply high-purity pharmaceutical-grade Testosterone Undecanoate manufactured under strict quality control procedures.
Do you provide a Certificate of Analysis (COA)?
Yes. A COA is available for every production batch, along with additional laboratory documentation upon request.
What is your minimum order quantity?
Our standard MOQ is 100 grams.
Can you ship internationally?
Yes. We supply customers in multiple countries through secure international shipping channels.
Is discreet packaging available?
Yes. Orders are packed using secure, export-ready, and discreet packaging methods.
Do you provide laboratory testing reports?
Yes. HPLC reports and additional laboratory documentation can be provided depending on batch availability.



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