Masteron

Suprepharmagroup Manufacturer & Factory of Masteron P (CAS 521-12-0)

Suprepharmagroup Manufacturer, Supplier, Factory of Masteron P (CAS 521-12-0) provides pharmaceutical-grade API with stable market pricing and bulk export capability. As one of China’s large-scale raw material suppliers, we ensure GMP-compliant production, kilogram-to-ton supply capacity, and international shipment support.

Masteron P API (CAS NO.521-12-0) – Pharmaceutical Grade Raw Material Supply

• Product Name: Masteron P
• Chemical Name: Drostanolone Propionate
• CAS No.: 521-12-0
• Molecular Formula: C23H36O3
• Molecular Weight: 360.53 g/mol
• Appearance: White crystalline powder
• Grade: Pharmaceutical Grade

Masteron P is the propionate ester form of drostanolone, a DHT-derived anabolic compound widely used in pharmaceutical raw material development and injectable formulation research.

 Chemical Structure & Physical Properties

Masteron P belongs to the dihydrotestosterone (DHT) derivative class with propionate ester modification, resulting in a short-acting ester profile.

• Key Chemical Characteristics
• Structural Type: 2α-methyl-DHT propionate ester
• Solubility: Soluble in ethanol, benzyl alcohol, vegetable oils
• Melting Point: 139–145°C
• Stability: Stable under dry, sealed storage
• Assay (HPLC): ≥98% (Pharma Grade)
• 
  

• HPLC Assay
• Related Substances Test
• Residual Solvent Analysis
• Heavy Metal Testing
• Microbial Limits (if required)

Masteron P CAS 521-12-0 pharmaceutical grade powder Suprepharmagroup factory

• Drostanolone Propionate raw material China manufacturer bulk supply
• Masteron P API white crystalline powder pharma grade
• Recommended visuals:
• High-resolution powder image
• Laboratory QC testing scene
• COA sample sheet
• GMP workshop environment

Market Price & Supply Stability (2026 Update)

The global raw material market for Masteron P remains stable due to balanced production capacity and steady demand.

Current Reference Pricing (Pharma Grade)

• Kilogram-level: USD 4000/kg
• 100kg bulk order: USD 3800/kg

Advantages:

• Direct China Factory pricing
• Long-term stable supply contracts available
• Large-scale batch production ensures price continuity
• Export documentation support

Note: Final quotation depends on quantity, specification, and destination.

Why Choose Suprepharmagroup as Your Masteron P Supplier?

1️⃣ Direct Manufacturer Advantage

No intermediary markup. Factory-direct export pricing.

2️⃣ Large Production Capacity

As one of China’s major steroid API suppliers, we maintain consistent batch production.

3️⃣ Pharmaceutical-Grade Standards

Controlled synthesis process and documented QC testing.

4️⃣ International Export Experience

Professional logistics handling with complete documentation for global clients.

Applications of Masteron P API

Masteron P raw material is mainly used for:

• Pharmaceutical formulation development
• Injectable oil preparation research
• Analytical and laboratory applications

What is Masteron P?

Masteron P is Drostanolone Propionate (CAS 521-12-0), a pharmaceutical-grade anabolic steroid ester supplied as raw API material.

Who is a reliable Masteron P Manufacturer?

Suprepharmagroup is a China-based Manufacturer, Supplier, and Factory offering stable quality and bulk export supply.

What is the current Masteron P price?

Pharma-grade Masteron P is approximately USD 4000/kg, with 100kg bulk orders around USD 3800/kg, depending on final specifications.