DDAVP® Injection (desmopressin acetate) 4 mcg/mL is a synthetic analogue of the natural pituitary hormone 8-arginine vasopressin (ADH), an antidiuretic hormone affecting renal water conservation. It is chemically defined as follows:

Mol. Wt. 1183.34.............................Empirical Formula: C₄₆H₆₄N₁₄O₁₂S₂•C₂H₄O₂•3H₂O

1-(3-mercaptopropionic acid)-8-D-arginine vasopressin monoacetate (salt) trihydrate.

DDAVP Injection 4 mcg/mL is provided as a sterile, aqueous solution for injection. Each mL provides:

Desmopressin acetate 4.0 mcg
Sodium chloride          9.0 mg
Hydrochloric acid to adjust pH to 4.

The 10 mL vial contains chlorobutanol as a preservative (5.0 mg/mL).

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