Toggle menu
(650) 486 - 1541

Shipping & Returns


 Iwai North America Inc. utilizes Federal Express (FedEx) overnight air delivery service.  Based on the nature of the commodity, certain conditions may require the use of a freight forwarder (you will be notified if one is needed). All freight charges are sent collect, unless prior arrangements have been made. The shipment of hazardous items is governed by the US Department of Transportation (DOT) and the International Air Transport Association (IATA). Some products may require special packaging and shipping. 

 Special Instructions

 All specialized customer requests (including but not limited to: filling, packaging, shipping, or required documentation) should be communicated at the time the order is placed to assure compliance. If delay or jeopardy of the shipment is caused due to customer's failure to communicate special information or requirements, the customer shall be responsible for the cost of the shipment. 

 Payment Term 

 Payment is due upon receipt of goods, unless prior arrangement has been made. A 1.5 % monthly late charge on account balances over 30 days past due will be added to the invoice total from the date of shipment. 

 All shipments are 'EX WORKS' San Carlos, CA 94070 USA. 

 Preferred Method of Payment

 Please send your payment to the following address:

 Iwai North America Inc.

 2301 E. 28th St. #307

 Signal Hill, CA 90755



If you wish to pay by Bank Wire or ACH, please contact us for details. 

  WIRING INSTRUCTIONS: All wired money is subject to a 25.00 USD bank charge that should be added to your payment total. All checks returned for insufficient funds are subject to a 25.00 USD fee. 


**Mastercard, VISA, American Express Card, Paypal are accepted at the time of purchase. 


Bulk Orders 

Discounted pricing is available for bulk orders. Please inquire about the specifics when requesting a quotation. 

For bulk pricing requests, please e-mail ''


We will hold the prices as stable as possible. But in some circumstances, prices may have to be changed. Prices are subject to change without prior notice. 


Satisfaction is guaranteed. If you are not satisfied with our product, please contact us. Any return needs a written authorization from Iwai North America Inc. All returns will be subjected to a 25% restocking charge. 


Iwai North America Inc. warrants materials to be of the stated quality at the time of sale. The buyer assumes all responsibility for the use and handling of the product or any liability for consequential, special, indirect or incidental damages resulting therefrom. 

Iwai North America Inc.'s sole obligation is to replace the material up to the amount of the purchase price. This applies only to products in their original containers and does not apply to a product which has been tampered with or altered in any way or which has been misused or damaged by accident or through negligence. 

Alternate Right

We reserve the right to change product specification (e.g. buffer system) as we see fit to maximize product quality. 


Directions given on an individual data sheet or vial label are an integral part of these terms and conditions and must be strictly followed. 

 Condition of Sale

 Please find our general terms and conditions of sale in the link below. 

 Terms and conditions of sale


Reservation of Title

 All products are for research use or further manufacture only and should not be used for human, therapeutic or diagnostic applications. Under the U.S. Food and Drug Administration (FDA), the products listed on this Web Site are available only for research uses. The Code of Federal Regulations, Title 21, Sections 312.9 and 809.10 explicitly state that such research products are for investigational use in laboratory research animals or in vitro research. These products are intended for research or further manufacturing use only. 

 The foregoing is in lieu of all other warranties, expressed or implied, including implied warranties of merchantability and fitness for a particular purpose. In no event shall Iwai North America Inc. be responsible for loss of profits or indirect or consequential damages, including but not limited to personal injuries resulting from use of the products.