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Suprepharmagroup Masteron Manufacturer & Factory in China

Suprepharmagroup is a professional Manufacturer, Supplier and Factory of Masteron Propionate API in China. As one of the largest STEROID raw material suppliers in Asia, we provide pharmaceutical-grade material with stable specifications, strict quality control and global export documentation support.

H1: Masteron API – Pharmaceutical Raw Material Supply

Product Name:Masteron
Synonym: Masteron
CAS No.: 521-12-0
Molecular Weight: 360.53 g/mol
Grade: Pharma Grade / Research Grade
Origin: China Manufacturer

Masteron Propionate is a DHT-derived anabolic androgenic steroid ester widely used in pharmaceutical and research sectors. Suprepharmagroup, as a direct China Factory and Supplier, ensures controlled production, batch consistency and international standard testing.

H2: Chemical Characteristics of Masteron Propionate

Masteron Propionate is, structurally derived from DHT.

Physical & Chemical Properties

• Appearance: White to off-white crystalline powder

• Solubility: Soluble in organic solvents 

• Melting Point: 139–145°C

• Stability: Stable under normal storage conditions

As a China Manufacturer and Supplier, Suprepharmagroup conducts strict identification tests including:

• HPLC Assay

• GC Residual Solvent Test

• Heavy Metal Analysis

• Related Substances Test

H2: Why Choose Suprepharmagroup as Your Manufacturer & Supplier?

1. Direct Factory Advantage

No middleman. Direct China Manufacturer pricing and stable supply.

2. Large Production Capacity

As one of the largest raw material suppliers in China, we maintain continuous batch production to ensure stable lead times.

3. Export Experience

Global supply experience across Asia, Europe and South America with compliant documentation support.

4. Custom Packaging & Logistics

Secure packaging options and professional export handling.



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• We offer various types of peptides, about peptides, we can offer good quality, good price. Customers who have ordered our products (peptides) have received very good feedback. Reliable buyers around the world can contact us about peptides

  1. Ultra-low temperature freezing: Freeze the highly active ingredients at -196 degrees to put the active ingredients into a dormant state.

  2. Effective regeneration: Add the solvent to the powder when using it, and it can be effectively regenerated after mixing, ensuring the high activity and high stability of the product. We offer various types of peptides, and we can provide excellent quality and preferential prices for peptides. The feedback from customers who have ordered our products (peptides) is very good. Reliable buyers around the world can contact us for peptide matters. We offers an unparalleled combination of quality, performance and value. If you have any questions about this product or want to learn more about how it can benefit your business, please feel free to contact us. We are committed to providing excellent customer service and helping our customers achieve their business goals.We look forward to the opportunity to work with you and help you succeed.

Under ideal, controlled conditions, Adipotide once showed promising advantages:

1. Highly Targeted and Direct:​ Unlike general weight-loss drugs that work systemically by suppressing appetite or boosting metabolism, it directly "destroys" the fat tissue itself, theoretically making it more efficient.

2. Potentially Fast-Acting:​ In monkey studies, significant body fat reduction was observed within weeks.

  Our main products include peptide products and pharmaceutical raw materials. We boast strong R&D capabilities, superb synthesis technology, and advanced quality control methods. We actively promote joint ventures and cooperation with major enterprises and manufacturers, serving society and users with the concept of industrial development. We always adhere to market demand orientation and continuously develop new high-tech chemical products and pharmaceutical intermediates.

     I am very confident in the quality of our products, and many foreign customers have given high praise after receiving our goods. Our products are of excellent quality, and we firmly guarantee door-to-door delivery of your orders.

Corporate Culture:Strive for survival by quality, strive for development by competition

Corporate Philosophy:We always adhere to "integrity-based, customer first, high quality and efficiency" as the concept, based on "excellent quality, transparent price, punctual delivery, professional service" as the principle, meanwhile we can and will do our best to provide customers with the best service to repay customers.

Samaglutide Product Introduction

I. Basic Information
Name: Samaglutide
CAS No.: 910463-68-2
Molecular Formula: C₁₈₇H₂₉₁N₄₅O₅₉
Molecular Weight: 4113.58 Da
Structure: Long-acting GLP-1 receptor agonist, fatty acid modified, half-life approximately 7 days

Appearance: White lyophilized powder
Purity: ≥99% (HPLC-MS)

II. Mechanism of Action (GLP-1 monoreceptor agonist)
Glucose Control: Glucose-dependent insulinotropic effect, glucagon inhibition
Weight Loss: Delays gastric emptying, potent appetite suppression, reduces calorie intake
Cardiovascular Protection: Reduces the risk of major adverse cardiovascular events 

III. Core Efficacy
Weight Loss 
STEP 1: Average weight loss over 68 weeks 14–15% (approximately 15.5 kg)

Over 80% fat loss, muscle preservation

Blood sugar reduction 

Type 2 diabetes: HbA1c reduction of 1.5–2.0%

Improved metabolism

Benefits include lowering blood pressure, improving blood lipids, and reducing fatty liver

Cardiovascular benefits

SELECT trial: 20% reduction in MACE risk in overweight/obese individuals

Precautions for safe handling

Conditions for safe storage, including any incompatibilities