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<h3>Overview</h3>
<p><strong>Hydralazine hydrochloride</strong> is a direct-acting vasodilator produced via nitration and reduction of phthalaldehyde. It serves as an active pharmaceutical ingredient (API) for hypertension management. <strong>CAS No.</strong> 302-79-2; <strong>Molecular Formula</strong> C8H10N4O·HCl.</p>
<h3>Application</h3>
<ul>
<li>Cardiovascular therapeutics: Treatment of severe hypertension in combination with beta-blockers or diuretics.</li>
<li>Hospital settings: Acute hypertensive crisis management in emergency care units.</li>
<li>Pregnancy care: Management of gestational hypertension and pre-eclampsia under strict clinical supervision.</li>
</ul>
<h3>Precautions</h3>
<p>Contraindicated in patients with coronary artery disease or mitral valvular rheumatic heart disease. Store in cool, dry conditions below 25°C protected from light. Personnel must wear protective gear during handling to avoid dermal absorption and inhalation risks.</p>