Dear Sir/Madam, I need pharmaceutical grade calcium butyrate CAS#: 5743-36-2 sodium butyrate CAS#: 156-54-7 magnesium butyrate CAS#: 556-45-6 ! kg each for sample Is this something you can provide? Please let me know the cost including postage (by air mail) to Australia. By the way: Does your company have ISO? Can you send COA? Xiexie. Best regards Steven espintl@gmail.com
