Contact Us

Contact Us

Domestic Contact Information

Normal operating hours are from 7:00 a.m. to 4:00 p.m., Pacific Standard Time, Monday – Friday. Should you call at any other time, you may leave a message with your name and telephone number.  Your request will be acknowledged and acted upon at the beginning of the next working day.


Within the United States, and including Canada: 1-800-654-3330

From Mexico, and all other countries:  650-694-6700

Facsimile (Fax, Telefax, Télécopieur):  650-968-0749


Pickering Laboratories, Inc.
1280 Space Park Way
Mountain View, California 94043 USA


E-mail Addresses:





Accounting department:

Web Master:

Product Returns:

Products can be returned if unopened and 3 months of shelf life remaining. Approval for the return can be obtained by contacting Customer Service ( A Return Goods Authorization (RGA) number will be given with instructions for the return. A restocking fee of 15% will be applied. Custom formulations, including custom pH, cannot be returned.

Technical Assistance:

For technical questions concerning products in this catalog please contact Pickering Laboratories and ask for Customer Service.

Within the U.S.: 1-800-654-3330

From outside of the U.S.: 650-694-6700

Facsimile: 650-968-0749


For technical assistance on Pickering systems or consumables in use in your laboratory, call Customer Service. If the problem is manifested in your chromatogram, please fax the operating conditions, chromatogram, and your contact information to Pickering Laboratories, Attn. Technical Support.

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Customer Notification of Pickering In-Service

We will be closed on Friday, December 11th. Normal operations will resume on Monday, December 14th.

Thank you for your patience during our upcoming closure.

Customer Service:
Technical Support:
Phone: 650-694-6700