What is Amphastar Pharmaceuticals?

Amphastar Pharmaceuticals, Inc. is a biopharmaceutical company focused on developing, manufacturing, and marketing injectable, intranasal, and inhalation products, complex medications including biologics, proteins, and interchangeable biosimilars, and various innovative drug delivery systems for different routes of administration.

What is Primatene Mist?

Primatene Mist is an epinephrine inhalation aerosol

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Amphastar Pharmaceuticals Inc

$730.7M revenue • 11570 6th St, Rancho Cucamonga, CA, 91730, United States

Last Updated Jan 28, 2026

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Company Overview

Company Name

Amphastar Pharmaceuticals Inc

Address

11570 6th St, Rancho Cucamonga, CA, 91730, United States

Website

amphastar.com

Phone

(909) 980-9484

Approx. Annual Revenue

$730.7M

Established

1998

Google Reviews

2.1 (16 reviews)

About Amphastar Pharmaceuticals Inc

Amphastar Pharmaceuticals, Inc. is a biopharmaceutical company focused on developing, manufacturing, and marketing various injectable, intranasal, and inhalation products, including complex medications, biologics, and interchangeable biosimilars. The company's headquarters are located in Rancho Cucamonga, California, United States.

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Key Decision Makers

Yesica Garduno Clinical Research Coordinator

McKenna Owens, CCRP Clinical Research Associate II

Stephanie Olivas Clinical Research Associate

Kyle McKellar Clinical Research Associate