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Masteron 521-12-0, Masteron P , MasteronE

Name: Masteron 521-12-0, Masteron P , MasteronE
Brand: superpharmagroup
SKU: pr2602261169
Price: 1000 USD
Availability: InStock

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CAS No.:

521-12-0

Grade:

Pharmaceutical Grade

Content:

99%

Port:

any port

Brand:

superpharmagroup

Packaging:

1kg/bag

Price valid (until):

2026-03-26

Contact Supplier

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sinofuturepharma

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Steroid

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Product Description
Seller Information
Inquiry History

Description

Product Detail

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.

Items	Specifications

Basic Info

Product Name:

Dromostanolone propionate

Other Name:

Androstan-3-one,2-methyl-17-(1-oxopropoxy)-,(2α,5α,17β)-;5α-Androstan-3-one,17β-hydroxy-2α-methyl-,propionate;(2α,5α,17β)-2-Methyl-17-(1-oxopropoxy)androstan-3-one;2MDTP;32379;Dromostanolone propionate;17β-Hydroxy-2α-methyl-5α-androstan-3-one propionate;Masterone;MDHT;2α-Methyldihydrotestosterone propionate;2α-Methyl-4,5-dihydrotestosterone propionate;2α-Methyl-17β-propionoxy-5α-androstan-3-one;Drostanolone propionate;17β-Hydroxy-2α-methylandrostan-3-one propionate;Drolban;Emdisterone;Masterid;Masteril;Permastril;2α-Methylandrostan-17β-ol-3-one propionate;Medrotestron propionate;Medrotestrone propionate;Medrotestrone propanoate;2α-Methyl-17β-hydroxy-5α-androstan-3-one 17-propionate;Masteron;Prometholone;1334-53-8;7241-34-1;51258-12-9

CAS No.:

521-12-0

Molecular Formula:

C23H36O3

InChIKeys:

InChIKey=NOTIQUSPUUHHEH-UXOVVSIBSA-N

Molecular Weight:

360.53

Exact Mass:

360.53

EC Number:

208-303-1

UNII:

X20UZ57G4O

DEA Code Number:

4000

NSC Number:

12198

DSSTox ID:

DTXSID1022972

NCI Thesaurus Code:

C1077

Categories:

Hormones and the Endocrine System

Characteristics

PSA:

43.37000

XLogP3:

5.67

Density:

1.1±0.1 g/cm3

Melting Point:

128 °C

Boiling Point:

445.9±45.0 °C at 760 mmHg

Flash Point:

190.5±28.8 °C

Refractive Index:

1.522

Storage Conditions:

Controlled Substance, -20?C Freezer

Toxicity:

LD50 subcutaneous in mouse: > 2gm/kg

Specific rotation:

D +24°

See More Dromostanolone propionate Properties 

Hazard Identification

Classification of the substance or mixture

no data available

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	no data available
Signal word	no data available
Hazard statement(s)	no data available
Prevention	no data available
Response	no data available
Storage	no data available
Disposal	no data available

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Dromostanolone propionate Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Steroid

Location:
KWUN TONG KLN, HONG KONG

Payment Terms:
TT against copy of documents,L/C

Average lead Time:
1

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
11-50

Year of Establishment:
2025

Sinofuturepharma supports global buyers to source and purchase Androgen and Anabolic steroids Raw Materials, offering a structured API portfolio for compliant B2B trade across regulated international markets.

Androgen and Anabolic Steroids Raw Materials – B2B API Supply Overview

Superpharma Group enables professional buyers to source, purchase, and evaluate Androgen and Anabolic steroids Raw Materials through established cooperation with qualified China suppliers, manufacturers, and factory partners. This category-level introduction is designed for API and raw materials procurement, not finished dosage promotion, and supports distributors serving the USA, UK, and Canada. By focusing on Androgen and Anabolic steroids Raw Materials, buyers can streamline sourcing strategies while maintaining regulatory and documentation alignment for cross-border pharmaceutical trade.

Inquiry History