Attached files
| file | filename |
|---|---|
| EX-4.1 - EX-4.1 - Amphastar Pharmaceuticals, Inc. | a2220360zex-4_1.htm |
| S-1/A - S-1/A - Amphastar Pharmaceuticals, Inc. | a2220360zs-1a.htm |
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Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption "Experts" and to the use of our report dated April 3, 2014, in Amendment No. 1 to the Registration Statement (Form S-1) and related Prospectus of Amphastar Pharmaceuticals, Inc. dated June 5, 2014.
/s/ Ernst & Young LLP
Los Angeles, California
June 5, 2014
Consent of Independent Registered Public Accounting Firm