Thank you for your inquiry. The unstained standard sizes of this product are 200 kDa, 97 kDa, 66 kDa, 44 kDa. Staining causes slight alterations in the molecular weight that differ from lot to lot. The specific molecular weight of your product is indicated by a sticker on the datasheet that has been sent with your product. For further assistance please contact our technical service directly.
Date published: 2018-12-29