Methenolone Primo

A mild, well-tolerated steroid favoured for slow clean gains.

Also known as Primobolan, Metenolone, Metenolonum, Metenolona, 9062ZT8Q5C, RefChem:156983, A14AA04, 205-812-0

Effects Build muscle Lose fat

Routes Injectable Oral

Legal status Controlled substance

WADA Banned at all times

3D Molecular Structure of C₂₀H₃₀O₂

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Formula: C20H30O2
Molar mass: 302.5
CAS: 153-00-4
PubChem CID: 3037705
IUPAC name: (5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-1,10,13-trimethyl-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
InChIKey: ANJQEDFWRSLVBR-VHUDCFPWSA-N

Name	Abbr	Route	Notes
Methenolone enanthate	Primo E	Injectable	Injectable Primobolan, long ester.
Methenolone acetate	Primo A	Oral	Oral Primobolan, poorly bioavailable.