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Our Office Hours:
6 am-6 pm Eastern time, Monday-Friday
By Telephone or Fax:
Phone: 215-412-8400
Toll Free: 800-523-5874
Fax: 215-412-8450
To place an order by phone or fax, simply have your billing and shipping address available, as well as your purchase order number. If you will be paying by American Express, Visa, MasterCard or Discover, no purchase order number is necessary. You will only need to supply us with your credit card number and corresponding expiration date. Once your order is placed we will ship it to you within 24 hours. That is all that is necessary.
By Mail:
Electron Microscopy Sciences
P.O. Box 550
1560 Industry Road
Hatfield, PA 19440
All orders should provide the following information:
- Organisation
- Department
- Name of person to receive the order
- Name of person authorising the order (if required by your organisation)
- Date of Order
- Purchase Order Number (if used by your organisation)
- Contact Name
- Telephone
- Fax
- Delivery address including post code or ZIP
- Invoice address including post code or ZIP (if different from above)

Human fibroblast cell under microscope stained against DNA(blue) and Actin (green). Magnification x700.
I’ve been at the lab here for 4 years, and in that time, I have found Citifluor to be easy to deal with, the deliveries are always prompt and most importantly, the AF1 product has been very reliable.
Pathology laboratory of a West Midlands NHS Teaching Hospital