A2B Chem LLC, located in San Diego, is a worldwide supplier of catalog building blocks. The catalogue keeps expanding and updating on a regular basis. A2B Chem endeavors to provide products with assured quality and competitive price. Products in stock can be shipped out within 1 to 3 business days from your order date. Products out of stock can be re-synthesized at your request.


You may find products by drawing structures or using the search bar. You may also contact us for bulk inquiries or further cooperation.


We look forward to establishing a long term partnership with you. Contact us today for the products you need.


A2B Chem LLC

Address: PO Box 910254, San Diego, CA 92191

Email: sales@a2bchem.com

Tel: (858) 208-3283

Website: www.a2bchem.com