TESTOSTERONE ENANTHATE INJECTION USP
FOR INTRAMUSCULAR USE ONLY C-III
Rx only
DESCRIPTION
Testosterone Enanthate Injection is a clear, colorless to pale yellow sterile oleaginous solution of testosterone enanthate for intramuscular use. Testosterone enanthate (C26H40O3) M.W. 400.60, is a white or creamy white, crystalline powder. It is odorless or has a faint odor characteristic of heptanoic acid.
It is insoluble in water, very soluble in ether and soluble in vegetable oils. Its structural formula is:
 C26H40O3 M.W. 400.60 (CAS-315-37-7)
17 β -((1-oxoheptyl)oxy)androst-4-en-3-one
Each mL contains: Testosterone Enanthate 200 mg, Chlorobutanol (Chloral derivative) 0.5% in Sesame Oil q.s.
Androgens are derivatives of cyclopentano-perhydrophenanthrene. Endogenous androgens are C-19 steroids with a side chain at C-17, and with two angular methyl groups. Testosterone is the primary endogenous androgen.
In their active form, all drugs in the class have a 17-beta-hydroxy group. Esterification of the 17-beta-hydroxy group produces compounds (testosterone enanthate and testosterone propionate) which have a longer duration of action and are hydrolyzed in vivo to free testosterone.
Androgens are steroids that develop and maintain primary and secondary male sex characteristics.
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