Trivial name: Testosterone [USAN:INN] (base)
Pharmaceutical Name (substance): 4 Testosterones (Testosterone propionate, Testosterone isocaproate, Testosterone phenylpropionate, Testosterone decanoate)

Common Brand, Trade, Commercial Denominations: Sostenon 250, Sustenon 250 (PT), Sustanon'250' (Thailand), Durateston 250 (BZ), Durandron (ES), Testono'n, Sustanon, Sustanon 250, Sustanon 300, Sustainbolic, Sustanon 100.

Manufacturers: Asia Pharma, Organon, Ttokkyo Labs, Schering-Plough.

Testosterone base + 4 different esters:
30 mg Propionate
60 mg Isocaproate
60 mg as Phenylpropionate
100 mg Decanoate

Chemical name: 17ß-hydroxyandrost-4-en-3-one
Chemical structure: 4-androstene-3-one,17beta-ol
CAS number: 58-22-0
Merck Index Number: Merck 11, 9109

Empirical formula (base): C19-H28-O2
Molecular weight (base): 288.429
Melting Point (base): 155 C

Molecular Weight, Esters:
Propionate: 362.5082
Phenylpropionate: 438.6058
Isocaproate: 404.5886
Decanoate: 460.6958

Active life: Up to 3 weeks
Detection Time: 3+ months
Anabolic/Androgenic ratio: 100/100
Routes of administration: Intramuscular
Drug Class: Anabolic/Androgenic Steroid