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Methylandrostan CAS 521-11-9

Product Name: Methylandrostan
CAS Number: 521-11-9
Molecular Formula: C20H30O2
Molecular Weight: 302.45 g/mol

Packaging Details:

Aluminum packages, carton box, wooden box, customized packaging

Delivery Time:

3-5 Days: EMS, Fedex, UPS, DHL, Purolator, Hermes, Estafeta, J&T Express(MX)
7-15 days: DPD, GLS, CANADA POST, HK POST, Royal Mail


Germany, Australia, Russia

Payment Terms:

T/T, Western Union, Cryptocurrency, Money Gram, Alibaba (credit card, paypal), Forum Escrow


Methylandrostan, an oral anabolic androgenic steroid, is a derivative of dihydrotestosterone. It is used for its androgenic effects and to increase muscle strength and growth. Methylandrostan, also known as a prohormone, is used to help achieve a lean physique.

Whrchem adheres to strict quality control and safety standards in the production of Methylandrostan (CAS 521-11-9).

Product Basic Parameter Information:

Product Name: Mestanolone
CAS: 521-11-9
MF: C20H32O2
MW: 304.47
EINECS: 208-302-6
Melting point 191 °C
Boiling point 385.28°C (rough estimate)
density 1.0279 (rough estimate)
refractive index 1.4824 (estimate)
storage temp. Controlled Substance, -20°C Freezer
solubility Acetonitrile: 1 mg/ml; Ethanol: 1 mg/ml; Methanol: 1 mg/ml

Product Applications:

Methylandrostan, CAS 521-11-9, is used primarily in the following applications.

Sports Nutrition: Methylandrostan, a substance used in sports nutrition by bodybuilders and athletes to enhance performance and support muscle growth, is a powerful supplement.

Why choose Whrchem?

  • Quality Assurance: Our commitment is to provide products that meet international standards of quality, ensuring safety and effectiveness.
  • Our extensive product range includes organic intermediates, pharmaceutical intermediates, APIs, hormone products and cosmetic raw materials. We provide one-stop chemical solutions to our customers.
  • Research and Innovation: To stay on top of the game, we invest heavily in both research and innovation.
  • Customer-centric philosophy: Our business philosophy is based on customer satisfaction. We are distinguished from our competitors by our commitment to customer service and quality.
  • Global coverage: Our strong distribution network, coupled with our global logistic capabilities, allows us to serve customers all over the world.


We currently have warehouses in the USA/Canada/Australia/Russia/Germany which support pick-up or use domestic delivery. We also have another shipping method as below:
UK: UPS/Hermes/Royal Mail
Mexico:Mexico Estafeta /J&T Express(MX)
We will choose the most suitable shipping method according to different destination countries or your requirements.
7-15 days delivery, guarantee buyer 100% receive the goods, if there is any customs problem, we promise to resend it for free.



Powder and solid: Bulk powder is packaged in double-layer aluminium thin bag deodorant packaging, and small goods are packaged in plant extract animal food packaging bags.
Liquids and oils: Liquids are changed to general product names, sealed packaging, with blisters to prevent leakage.
We have standard packaging, and can also be customized according to your requirements.

For more details, please refer to SHIPPING & PACKING


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