We are interesting in purchasing 1kg of Lactobionic Acid from your company and would like to inquire about the following details: price for 1kg of Lactobionic AcidPayment Methods and estimated delivery timeAvailability of the following raw material documents upon purchase: Certificate of Analysis (COA) Composition SheetMSDS (Material Safety Data Sheet) please guide us with the necessary information at your earthest convenience.Looking forward to your response.Thank you.