Shipping Information


At SignaGen Laboratories, we are committed to delivering high-quality research products to our customers quickly, safely, and reliably. Because many of our products—including viral vectors and sensitive reagents—require strict handling conditions to preserve activity and integrity, our shipping procedures are carefully designed to minimize transit time, prevent temperature excursions, and ensure compliance with applicable regulations. The information below outlines our shipping carrier, schedules, packaging practices, and important considerations for domestic and international deliveries.


Origin of Shipment

All products are manufactured, quality-controlled, packaged, and shipped from our address below.

SignaGen Laboratories, LLC
5260 Westview Drive, Suite 100
Frederick MD 21703
United States

Our centralized production and fulfillment facility allows us to maintain strict control over product quality, documentation, and chain of custody from manufacturing through delivery. Every shipment leaves directly from our facility to ensure authenticity and traceability.

Shipping Carrier

We ship all customer orders exclusively via FedEx. FedEx has been selected as our sole carrier due to its reliability, global reach, temperature-controlled logistics capabilities, and real-time tracking services.

Using a single carrier allows us to:

  • Maintain consistent delivery performance
  • Provide accurate transit time estimates
  • Ensure compatibility with temperature-sensitive packaging
  • Simplify customs documentation for international shipments
  • Offer detailed tracking and delivery confirmation

Tracking information is provided to customers as soon as an order is dispatched. Customers are responsible for monitoring shipment progress and ensuring that packages can be received promptly upon delivery.


Same-Day Shipping Cutoff

For eligible products, orders received by 3:00 PM (Eastern Time), Monday through Wednesday, will be shipped on the same day.

Orders received after 3:00 PM, on weekends, or on holidays will be processed and shipped on the next available shipping day according to the schedules outlined below.

Same-day shipping applies only when:

  • Products are in stock
  • Payment or purchase order has been verified
  • Required documentation is complete
  • No special handling arrangements are pending

Shipping Schedule Overview

Our shipping schedule is structured to avoid weekend delays, reduce the risk of temperature excursions, and maximize product stability upon arrival. Because FedEx typically does not guarantee weekend delivery in many regions, we ship early in the week for domestic orders and late in the week for international orders to optimize transit timing.


Transfection Reagents (Room Temperature)

Most transfection reagents supplied by SignaGen are stable at room temperature (RT) during transit when properly packaged.

Domestic (U.S.) Orders:

  • Ship Monday through Wednesday
  • Same-day shipping available for orders received by 3:00 PM ET (Mon–Wed)

International Orders:

  • Ship Friday or Monday

Domestic shipments early in the week help ensure delivery before the weekend. International shipments are sent on Fridays to align with extended transit times and customs processing schedules.

Room-temperature products are packaged in protective materials designed to prevent physical damage and maintain stable conditions during transport. While these products do not require refrigeration or dry ice, customers should still store them according to the instructions provided upon receipt.


Viral Vectors (Dry Ice Packaging)

Viral vectors are highly sensitive biological materials that must remain frozen to maintain potency and structural integrity. Therefore, all viral vector products are shipped on dry ice using validated insulated containers.

Domestic (U.S.) Orders:

  • Ship Monday through Wednesday
  • Same-day shipping available for orders received by 3:00 PM ET (Mon–Wed)

International Orders:

  • Ship Friday or Monday

Early-week domestic shipping ensures that packages arrive before dry ice depletion and avoids weekend transit interruptions. For international deliveries, Friday dispatches are coordinated with FedEx international logistics workflows to support rapid customs clearance and minimize delays.

Dry Ice Fee

All shipments containing viral vectors require specialized packaging and dry ice replenishment. A dry ice handling and packaging fee applies to these orders. This fee covers:

  • Insulated shipping containers
  • Certified dry ice materials
  • Hazard labeling and documentation
  • Specialized packing procedures
  • Compliance with air transport regulations

Packaging and Handling

Each shipment is prepared by trained personnel following strict standard operating procedures. Packaging methods are selected based on product type and temperature requirements.

Room-Temperature Products:

  • Shock-resistant packaging
  • Moisture protection
  • Secure sealing

Frozen Products:

  • High-performance insulated containers
  • Adequate dry ice for expected transit duration
  • Temperature-stability considerations
  • UN-compliant labeling for dry ice shipments

Packaging configurations are validated to ensure products remain within acceptable temperature ranges throughout transit under normal shipping conditions.


Delivery and Receipt

Customers are strongly advised to plan for immediate receipt of shipments, particularly those containing frozen materials. Upon delivery:

  • Inspect the package for damage
  • Confirm that dry ice or cooling materials remain present (if applicable)
  • Transfer products to appropriate storage immediately
  • Follow storage instructions provided with the product

Failure to promptly retrieve packages from outdoor locations, mailrooms, or receiving docks may compromise product quality.


International Shipping Considerations

International shipments may be subject to customs clearance procedures, import permits, taxes, duties, and brokerage fees imposed by the destination country. These requirements vary widely by region and are the responsibility of the recipient unless otherwise agreed in writing.

To facilitate smooth delivery, customers should:

  • Provide accurate shipping information
  • Ensure required import documentation is in place
  • Monitor tracking updates
  • Respond promptly to carrier requests

Using the recipient’s FedEx account is often recommended for international orders to expedite customs processing and reduce delays.


Weather and Holiday Delays

Severe weather events, peak shipping seasons, and public holidays may affect carrier operations. While we strive to dispatch orders according to schedule, SignaGen Laboratories cannot guarantee transit times once packages are in the carrier’s possession.

If extreme conditions are anticipated, shipments may be delayed to protect product integrity.


Shipping Policy Updates

Shipping procedures may be adjusted periodically to reflect changes in carrier services, regulatory requirements, or product handling needs. The most current shipping information will always be posted on this page.


Contact Information

If you have questions about shipping methods, scheduling, special handling requirements, or urgent delivery needs, please contact us before placing your order.

SignaGen Laboratories, LLC
5260 Westview Drive, Suite 100
Frederick MD 21703
United States
Website: www.signagen.com


SignaGen Laboratories is dedicated to ensuring that every product arrives in optimal condition and ready for immediate use. Our carefully designed shipping protocols reflect our commitment to reliability, quality, and the success of your research.


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