葡萄牙采购需求：6487-39-4，购买碳酸镧，食品级碳酸镧，碳酸镧，碳酸镧应用，碳酸镧出售

I'm reaching out to inquire about pricing and availability for a specific quantity of a chemical compound. We're looking for 500 grams of a particular hydrate with a CAS number that starts with 6487. Please provide a quote based on EXW (Ex Works) terms, including any relevant details such as lead time and payment terms. Additionally, if there are any minimum order quantities or bulk purchase options available for this item, I would appreciate that information as well. It's important for us to understand the shipping logistics and any regulations that we need to be aware of when importing this product. Looking forward to your prompt response!