Primobolan Enanthate 200mg/mL Injectable | 20-Vial Kit
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Primobolan Enanthate 200mg/mL (Methenolone Enanthate) — high-concentration long-acting injectable AAS, 20-vial kit. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
* The information on this page is a summary and is not intended to cover all available information about this medication. It does not cover all possible uses, directions, precautions, drug interactions or adverse effects and is not a substitute for the expertise and judgement of your healthcare professional.
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What is Methenolone Enanthate?
Primobolan Depot 200mg/mL (High-concentration Methenolone Enanthate — long-acting injectable AAS) is the enanthate ester of methenolone — C₂₇H₄₂O₃, MW 414.6. The 200mg/mL formulation doubles the dose per mL vs 100mg/mL, reducing injection volume requirements. Active duration: peak ~3–5 days, active ~10–14 days. Mild androgenic profile, high anabolic-to-androgenic ratio. Does not aromatise to oestrogen.
Research Applications
High-Concentration Mild-Anabolic Injectable
200mg/mL format halves injection volume for equivalent dose — precision dosing research
Non-Aromatising Injectable AAS
Anabolic research without oestrogen confounds at higher concentration
Dose-Escalation Studies
High-dose methenolone enanthate studies with reduced injection volumes
Androgen Receptor Binding
Moderate AR affinity — characterised anabolic-to-androgenic binding ratio
Lean Mass Preservation
Muscle preservation in catabolic models without oestrogen co-effects
Quick Specs
| Form | Oil-based injectable solution |
| Concentration | 200mg/mL |
| CAS | 303-42-4 |
| Molecular Formula | C₂₇H₄₂O₃ |
| MW | 414.6 Da |
| Purity | ≥99% by HPLC — every batch |
| Identity | MS molecular weight confirmed — every batch |
| COA | Janoshik-independent, publicly verifiable |
| Vehicle | Pharmaceutical-grade carrier oil + benzyl alcohol/benzoate |
| Aromatisation | None — does not convert to oestrogen |
| Storage | Room temp sealed | 2–8°C recommended |
| Shelf Life | 24 months (unopened) |
Certificate of Analysis (COA)
Frequently Asked Questions
Frequently asked questions
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Websites in professional use templating systems. Commercial publishing platforms and content management systems ensure that you can show different text, different data using the same template. When it’s about controlling hundreds of articles, product pages for web shops.
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