Procurement Report: Testosterone Phenylpropionate (CAS 1255-49-8)

Product Category: Analytical Reference Standard / Pharmaceutical Active Pharmaceutical Ingredient (API) CAS Number: 1255-49-8 Molecular Formula: C₂₈H₃₆O₃

1. Technical Specifications and Performance Metrics

Testosterone Phenylpropionate is a synthetic anabolic-androgenic steroid (AAS) characterized by a phenylpropionate ester attached to the testosterone molecule. In a procurement context, this product is primarily sourced as a high-purity analytical reference standard for quality control or as an API for pharmaceutical formulation.

• Chemical Identity: The substance is defined by CAS 1255-49-8 and the molecular formula C₂₈H₃₆O₃.
• Purity Standards: Procurement for analytical use typically requires a purity range of 98.0% to 99.5% (w/w) as determined by High-Performance Liquid Chromatography (HPLC).
• Physical State: Typically supplied as a white to off-white crystalline powder.
• Solubility: Insoluble in water; soluble in organic solvents such as ethanol, chloroform, and ether.
• Packaging Quantities: Standard commercial units for reference standards range from 2.5 g to 10 g for analytical applications, while API bulk orders often start at 1 kg and scale to 25 kg drums.
• Shelf Life: When stored under recommended conditions (cool, dry, dark environment), the product maintains stability for 24 to 36 months.

Procurement Recommendation: Ensure that the technical data sheet (TDS) explicitly lists the HPLC purity results. For laboratory calibration, request a Certificate of Analysis (COA) that matches the specific batch number to the sample provided. Do not accept generic purity claims without batch-specific analytical data.

2. Industry Compliance and Quality Assurance

The procurement of Testosterone Phenylpropionate is heavily regulated due to its classification as a controlled substance in many jurisdictions and its status as a pharmaceutical API.

• Manufacturing Standards: Suppliers must adhere to Good Manufacturing Practices (GMP) to ensure product consistency and safety.
• Documentation Requirements: A valid Certificate of Analysis (COA) is mandatory for every shipment. This document must contain actual test results, including identity, purity, assay, and impurity profiles.
• Regulatory Classification: As an anabolic steroid, the product is subject to strict import/export controls. Buyers must verify their local regulatory status (e.g., DEA scheduling in the US, similar controls in the EU and Asia) before initiating orders.
• Traceability: Full chain-of-custody documentation is required to verify the origin of the API or reference standard.

Procurement Recommendation: Prioritize suppliers who can provide immediate access to batch-specific COAs and GMP certification documents. Verify that the supplier has a compliant framework for handling controlled substances. Avoid suppliers who cannot provide a detailed impurity profile, as this is critical for pharmaceutical validation.

3. Cost Efficiency and Integration Capabilities

While exact market pricing fluctuates based on volume and regulatory jurisdiction, the cost structure for high-purity reference standards and APIs follows specific B2B patterns.

• Estimated Cost Ranges:
  • Analytical Reference Standard (2.5g - 5g): Typical B2B range is $150 - $400 per unit.
  • API Bulk (1kg - 25kg): Typical B2B range is $500 - $2,500 per kg, depending on purity grade and order volume.
• Minimum Order Quantity (MOQ): For reference standards, MOQ is often 1 unit (e.g., 2.5g). For API bulk, MOQ typically starts at 1 kg.
• Lead Time: Standard lead time for in-stock reference standards is 3 to 7 business days. API bulk orders may require 2 to 4 weeks for production and quality verification.
• Integration: The product integrates directly into HPLC, GC-MS, and LC-MS workflows for quantitative analysis. It requires no complex hardware integration, only standard laboratory glassware and solvent systems.

Procurement Recommendation: For research labs, purchasing small quantities (2.5g) from specialized chemical suppliers (e.g., LGC Standards, Cayman Chemical, Fisher Scientific) offers the best balance of cost and guaranteed authenticity. For manufacturing, negotiate volume discounts on 1kg+ orders but factor in the higher compliance costs of shipping controlled substances.

4. Typical Use Cases

Testosterone Phenylpropionate serves distinct roles in scientific and industrial environments:

• Pharmaceutical Quality Control: Used as a primary reference standard to calibrate instruments and validate the purity of bulk drug substances in manufacturing facilities.
• Forensic Analysis: Utilized in drug testing laboratories to identify and quantify anabolic steroids in biological samples (urine, blood).
• Clinical Research: Employed in studies investigating androgenic pathways, metabolic effects, and pharmacokinetics of esterified testosterone compounds.
• Method Development: Used by analytical chemists to develop and optimize separation methods (HPLC/GC) for steroid analysis.

Procurement Recommendation: Match the procurement grade to the use case. Do not purchase "technical grade" material for pharmaceutical validation; strictly require "analytical reference standard" grade with full certification. For forensic labs, ensure the supplier provides a chain-of-custody protocol if the material is used in legal evidence contexts.

5. Long-Term Planning Considerations

• Regulatory Volatility: The regulatory landscape for anabolic steroids is dynamic. Procurement strategies must account for potential changes in scheduling or import restrictions which could disrupt supply chains.
• Supply Chain Resilience: Given the specialized nature of the product, reliance on a single supplier is risky. Maintain a diversified supplier base (e.g., maintaining relationships with at least two major chemical distributors).
• Market Demand Signals: There is a steady, niche demand for high-purity reference standards in the pharmaceutical and forensic sectors. However, demand for the substance as a non-prescribed agent is subject to legal crackdowns, which may impact the availability of certain grades in specific regions.
• Storage and Safety: Long-term planning must include budget for specialized storage (cool, dry, secure) and waste disposal protocols for expired or contaminated steroid materials.

Procurement Recommendation: Develop a "Just-in-Case" inventory strategy for critical reference standards to mitigate lead time risks. Regularly audit supplier compliance records to ensure they remain in good standing with regulatory bodies. Plan for annual re-certification of stored reference materials.

6. Special Product Recommendations

The following table compares different product grades and sources to assist in selecting the optimal procurement option based on buyer profile and risk tolerance.

Procurement Recommendation: For most procurement scenarios involving validation or calibration, the Analytical Reference Standard is the safest and most compliant choice. Avoid "Technical Grade" for any work requiring regulatory acceptance.

7. Frequently Asked Questions (FAQ)

1. What is the primary difference between Testosterone Phenylpropionate and Testosterone Enanthate? The difference lies in the ester chain attached to the testosterone molecule. Phenylpropionate has a phenylpropionate ester, resulting in a shorter half-life and faster onset of action compared to the longer-acting enanthate ester.

2. Is Testosterone Phenylpropionate available for general consumer purchase? No. It is a controlled substance and pharmaceutical API. It is generally available only to licensed pharmaceutical manufacturers, research institutions, and certified laboratories for specific analytical or clinical purposes.

3. What documentation is required to import this product? Importers typically require a valid import license, a Certificate of Analysis (COA), a GMP certificate from the manufacturer, and proof of regulatory compliance for controlled substances in the destination country.

4. How should Testosterone Phenylpropionate be stored to maintain stability? It should be stored in a cool, dry, and dark place, typically between 2°C and 8°C for long-term reference standard storage, or at room temperature (15-25°C) if the COA specifies. It must be kept in airtight containers to prevent moisture absorption.

5. Can I use a lower purity grade for my HPLC calibration? It is not recommended. Using a grade with purity below 98% (or the specific threshold defined by your regulatory body) can introduce significant error into calibration curves and compromise the validity of your analytical results.

6. What is the typical lead time for a 2.5g reference standard? For major chemical suppliers, the lead time is typically 3 to 7 business days for in-stock items. Custom orders or bulk API shipments may take 2 to 4 weeks.

7. Does the product come with a Certificate of Analysis (COA)? Yes, reputable suppliers (such as LGC Standards, Cayman Chemical, and Fisher Scientific) provide a batch-specific COA for every unit sold, detailing the actual test results for purity and identity.

8. Are there specific safety handling precautions for this powder? Yes. As with many pharmaceutical powders, it should be handled in a fume hood with appropriate PPE (gloves, lab coat, eye protection) to prevent inhalation or skin contact, as it is a potent androgenic compound.