Testosterone Isocaproate 99% Raw Powder

Testosterone Isocaproate (Testosterone Isocaproate) Raw Material Powder Product Introduction

Pure Steroid Powder | Testosterone Isocaproate Muscle-Building Supplement Ingredient

Chemical name : 17β-isocaproyloxy-androst-4-ene-3-one

CAS No .: 15262-86-9

EINECS number : 239-276-4

Molecular formula : C₂₅H₃₈O₃

Molecular weight : 386.57

Melting point : 95°C-99°C

Appearance : White or off-white crystalline powder

Usage​

Testosterone isocaproate is an intermediate-acting testosterone ester compound widely used in hormone replacement therapy (TRT), muscle-building cycles, and competitive sports due to its balanced pharmacokinetic properties .

✅ ​Balanced hormone release :

Isocaproate ester provides a 4-6 day half-life , balancing long-acting and fast-acting properties

Inject twice a week to maintain a stable blood concentration

✅ ​Muscle building and strength improvement :

Significantly promotes protein synthesis , and can increase muscle mass by 5-7kg in 8-12 weeks

Improve strength levels and increase your squat/bench press max weight by 10-15%

✅ ​Body composition improvement :

Reduce body fat and improve muscle definition

Enhance muscle firmness and vascular visibility

Testosterone Isocaproate Properties

Medium release :

Isocaproate ester provides a 4-6 day half-life

Twice weekly injections are sufficient to maintain stable blood drug concentrations

Potent androgen :

Androgenic Index 100 (Benchmark Compound)

Anabolic Index 100 (Benchmark Compound)

Preparation flexibility :

Available in different concentrations (50-200mg/mL)

Various carrier oil options (cottonseed oil, sesame oil, etc.)

End product preparation :

Sterile filtration : 0.22μm microporous membrane filtration for sterilization

Solvent formula : 2% benzyl alcohol + carrier oil (cottonseed oil/sesame oil)

Concentration selection : conventional preparation 100mg/mL or 200mg/mL

End Product Preparation Guidelines

Example formulation (100mL 100mg/mL concentration):

Testosterone isocaproate raw material: 10g

Benzyl alcohol: 2 mL

Cottonseed oil: 88 mL

Preparation process :

Raw material dissolution : Heating in a 40°C water bath accelerates dissolution

Sterile filtration : 0.22μm membrane positive pressure filtration

Subpackaging : Subpackaging into sterilized vials under aseptic environment

Quality Control :

HPLC test purity ≥99%

Endotoxin detection <0.5EU/mL

Sterility test (membrane filtration method)

Testosterone Isocaproate Applications

Hormone replacement therapy (TRT) :

Dosage : 100-200 mg/week, divided into two injections

Monitoring : Regularly check blood testosterone levels and hematocrit

Bulking Cycle :

Dosage : 400-600 mg/week, divided into two injections

Combination : + Deca or Boldenone

Strength Enhancement :

Dosage : 500mg/week with strength training

Effect : Significantly improved ultimate strength

Precautions​

⚠ ​Estrogen management : High doses require combination with AI (such as anastrozole)

⚠ ​Erythrocytosis : May increase hematocrit (regular blood donation is required)

⚠ ​Cardiovascular risk : May affect blood lipid levels (blood lipid monitoring is recommended)

Why choose Testosterone Isocaproate as a raw material ?

Balanced pharmacokinetics , taking into account long-term effect and stability

Flexible preparation , customizable concentrations and formulations

Multiple benefits , improving body composition and athletic performance

Quality Assurance :

GMP -compliant production , each batch HPLC purity tested (≥99% )

Third-party laboratory report (COA) is included with the goods

Microbial limit testing to ensure safety

Worldwide Shipping :

Original sealed packaging , moisture-proof and light-proof

Private delivery , no logo on the outer packaging

Temperature- stable transportation to ensure product stability

Conclusion

Testosterone isocaproate is an ideal raw material for hormone replacement and muscle-building cycles , particularly for TRT, muscle building, and strength enhancement . The recommended dosage for the finished product is 400-600mg/week .

Need a specific preparation plan ?

We provide professional technical guidance to help you prepare end products safely and efficiently!

If you need anything, please contact Allen

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