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Anabolic Steroids

Methenolone Enanthate

Mild DHT-derived enanthate ester.

Also known as: Primo · PRIMO · Primobolan · Methenolone · M100 · M200

CAS 303-42-4 · C27H42O3

Lead time

Ships in 3–5 days

Purity

99.0%

CAS Number

303-42-4

Molecular Weight

414.6

Formula

C27H42O3

Form

Oil solution 100mg/mL

Packaging

10mL vial

Storage

Room temperature, oil solution

Solubility

Oil-based carrier

Chemical structure

Methenolone Enanthate 2D chemical structure

2D structure · Source: PubChem (NIH)

Research applications

Methenolone enanthate (Primobolan) is a DHT-derived steroid with a mild androgenic profile, referenced in low-androgenic anabolic profiling, ester-duration comparisons, and receptor-binding selectivity research. Supplied as a research-grade oil solution for analytical and laboratory use.

Quality Documentation

How we verify
1

Raw material screening

Off-spec lots never enter synthesis

2

In-process monitoring

Intermediates characterized at checkpoints

3

HPLC-MS verification

Identity, purity & quantitation per batch

A batch-specific COA ships with every order — see the format before you buy.

Request sample COA

Frequently asked questions

What is Methenolone Enanthate?

Methenolone enanthate (Primobolan) is a DHT-derived steroid with a mild androgenic profile, referenced in low-androgenic anabolic profiling, ester-duration comparisons, and receptor-binding selectivity research. Supplied as a research-grade oil solution for analytical and laboratory use.

What purity is Methenolone Enanthate?

99.0% purity, HPLC-MS verified per batch.

What is the CAS number of Methenolone Enanthate?

CAS 303-42-4 · Molecular formula C27H42O3 · Molecular weight 414.6.

How long does Methenolone Enanthate take to ship?

Ships in 3–5 days after order confirmation.

How should Methenolone Enanthate be stored?

Room temperature, oil solution. Solubility: Oil-based carrier.

Is Methenolone Enanthate for human use?

No. Methenolone Enanthate is a research compound for laboratory research use only — not for human or veterinary use.

For pricing and availability of Methenolone Enanthate, contact our research team.

For laboratory research use only.