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Contact Us

Contact Us

  • Contact Information
  • Order Support
GenScript provides 24-hour service Monday through Friday.
ONLINE MESSAGE TO GENSCRIPT: Please leave your message using our Secure Messaging System

Call GenScript
Toll-Free: 1-877-436-7274
Telephone: 1-732-885-9188
Fax: 1-732-210-0262    1-732-885-5878
Regional Numbers (Toll-free)
Australia: 1-800-191-323
Denmark: 8082-0047
France: 0805-080722
Finland: 0800-915-763
Germany: 0800-182-1322
Hong Kong: 800-906-595
Ireland: 1-800-904-119
Israel: 1-809-315696
Norway: 800-24-733
Portugal: 800-180-323
Singapore: 800-852-3307
Spain: 900-839022
Sweden: 020-889-222
Switzerland: 0800-321-004
United Kingdom: 0-808-189-3188
Regional Numbers
Belgium: 32-27-470-921
Japan: 81-3-6803-0843 Recent Update!
E-mail GenScript
For Sales:
For Catalog Product:
For Molecular
For Peptide:
For Protein:
For Antibody:
For Antibody Drug:

For business development, please contact:
Telephone: 1-732-885-9188
For General Inquiry:
For siRNA:
For Chemicals:
For BioProcess:
For BioAssay:
For Informatics Support:
Mail to GenScript
All Correspondences
860 Centennial Ave.
Piscataway, NJ 08854
Accounts Payable/Receivable
Accounting Department
860 Centennial Ave.
Piscataway, NJ 08854
Contact Us
Tel: 1-732-885-9188
Fax: 1-732-210-0262
Address: GenScript 860 Centennial Ave.
Piscataway, NJ 08854
Tel: +86-025-58897288-5809
Fax: +86-025-58897288-5815
Address: 28 Yongxi Road, Jiangning, Nanjing, Jiangsu Province,
Tel: +81-3-6803-0843 (Japanese: 9:00-18:00),
+1-732-885-9188 (English: 24 hours)
Fax: +81-3-3836-0371 (Japanese: 9:00-18:00)
Order Fax: +81-3-4496-5000
Address: GenScript Classic Build #403 3-12-5,
Taito, Taito-ku, Tokyo, 110-0016, Japan
To order what you want, please try the following methods:
*Our representatives are always available at convenient time, whatever your time zone is.

To expedite your order, please provide the following information:
  • Customer account number
  • Billing address
  • Purchase Order Number
  • Shipping address
  • Purchaser's name and detailed contact information
  • Description of the order
*See more on our Ordering Help Center.
Local Currency
As your global supplier, we accept payments in several local currencies: US Dollar, Euro, Pound Sterling, and Japanese Yen. You can select one of these currencies before making your payment.

Fast Delivery and Shipping Fee
GenScript is located in Piscataway NJ. Thanks to our close ties with FedEx, it will always feel like we are one block away from where you are. For more information about shipping charges, please go to Shipping Price Page.

* If you would like to place an order on a weekend, then either fax us your order form or place a message on our phone system. All orders placed outside of our business hours will receive immediate attention on the following work day.

Order Cancellation Policy
All cancellation must be received in writing by e-mail (Send to with Order ID Number in subject line). Cancellation of service in progress will incur partial charge proportional to the percentage of the work completed at the time of cancellation.

If your project is delayed, once proved as a signification deviation from the industry average delivery time for the particular service, though rarely happens at GenScript, the customer is entitled to receive partial compensation discount, which is calculated by discounting the total project fee by the percentage of the delay over the promised delivery period.

Cancellations must be received prior to shipment of the material or delivery of the project. GenScript reserves the right to refuse order cancellations and issuing of compensation discount.

More detailed information, please see our FAQ page.