8-K/A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

(Amendment No. 1)

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 15, 2007

BIOANALYTICAL SYSTEMS, INC.

(Exact name of registrant as specified in its charter)

Indiana	0-23357	35-1345024
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification No.)

2701 KENT AVENUE WEST LAFAYETTE, INDIANA	47906-1382
(Address of principal executive offices)	(Zip Code)

Registrant's telephone number, including area code: (765) 463-4527

Explanatory Note: This Amendment No. 1 amends the Current Report on Form 8-K of Bioanalytical Systems, Inc. (the "Company") filed November 16, 2007, reporting under Item 8.01 that the Company had elected a new Chairman of the Board. This Amendment No. 1 amends the Current Report on Form 8-K filed November 16, 2007 to replace the Date of Report. As originally filed, the Date of Report was incorrectly listed as November 6, 2007. The Date of Report has been corrected to be November 15, 2007. The disclosures included under Item 8.01 of this Amendment No. 1 and attached hereto as Exhibit 99.1 are the same as the disclosures included under Item 8.01 of the Current Report on Form 8-K filed November 16, 2007 and attached thereto as Exhibit 99.1.

Item 8.01. Other Events.

On November 15, 2007, the Board of Directors of Bioanalytical Systems, Inc. (the "Company") elected William B. Baitinger to be Chairman of the Board. Mr. Baitinger has served as a director of the Company since 1979.

On November 16, 2007, the Company issued a press release announcing Mr. Baitinger's election. The press release is attached hereto as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits.

(a) Not applicable.

(b) Not applicable.

(c) Not applicable.

(d) Exhibits.

99.1 Press Release dated November 16, 2007.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Bioanalytical Systems, Inc.
Date: November 21, 2007	By:	/s/ Michael R. Cox
		Michael R. Cox
		Vice President, Finance and Administration, and Chief Financial Officer

Exhibit No. Description

99.1 Press Release dated November 16, 2007.

EX-99.1

For more information: Michael R. Cox

765.463.4527

mcox@bioanalytical.com

BASi Announces Election of New Chairman of the Board

WEST LAFAYETTE, IN, November 16, 2007 — Bioanalytical Systems, Inc. (Nasdaq: BASI) announced today that its Board of Directors elected William Baitinger to be the Chairman of the Board.

Mr. Baitinger has served as a director of BASi since 1979. He replaces Peter T. Kissinger, Ph.D., who resigned from his office as Chairman of the Board in September of 2007.

President, Chief Executive Officer and Director Dick Shepperd noted that "I am pleased to announce Bill's election as Chairman of the Board. Bill brings a depth of knowledge of BASi, its business and its history that will be highly valuable to the Board of Directors. I look forward to working more closely with him going forward."

BASi is a contract research and research products company providing services and laboratory instruments to the world’s leading drug development companies and life science research organizations. The Company focuses on developing innovative services and products that increase efficiency and reduce costs associated with taking new drugs to market. Visit www.bioanalytical.com for more about BASi.

This release contains forward-looking statements that are subject to risks and uncertainties including, but not limited to, risks and uncertainties related to board transition matters, the development of products and services, changes in technology, industry standards and regulatory standards, and various market and operating risks detailed in the company’s filings with the Securities and Exchange Commission.

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