The National Institute of Environmental Health Sciences (NIEHS) intends to negotiate on a sole source basis with Affymetrix, Santa Clara, CA 95051, pursuant to 41 U.S.C.253(c)(1)--Only one responsible source and no other supplies or services will satisfy agency requirements. This purchase is for (3) each of the following items: 1)Cat# 900497 One cycle target labeling &Cat# 900493 control reagents; Genechip mouse 430 2.0- 30 pk The items are to be used on existing Affymetrix Eukaryotic GeneChip system for an on-going research project. Ordering from another source would compromise ongoing experiments and compromise the integrity of data. Interested parties may identify their interest and capability. Respond to this requirement by submitting written capabilities/specifications to the Tanya Shields at the address stated above. This notice of intent is not a request for competitive proposals; however, all responses received within 5 days from the date of publication of this synopsis will be considered by the Government. A determination by the Government not to compete this proposed contract action based upon responses to this notice is solely with the discretion of the Government. Information received will normally be considered for the purpose of determining whether to conduct a competitive procurement. If no affirmative responses are received within 5 days of this notice to determine whether a qualified source is more advantageous to the Government, an order will be placed with Affymetrix. The NAICS Code/Size is 325998/500 Emp. This procurement is to be processed using Simplified Acquisition Procedures in conjunction with FAR Part 12, Acquisition of Commercial Items and is not expected to exceed the Simplified Acquisition threshold of $100,000. There is no solicitation package available. For any questions regarding this announcement, please contact Tanya Shields via email [email protected].*****

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