This product is a mixture of enzymes that is sold on the basis of activity, rather than weight. The exact quantity of the product, in terms of mass, is not specified. The activity of each vial is reported in the lot-specific Certificate of Analysis. The activity is reported for use with bacterial and fungal applications. Please see the link below to review the product datasheet which includes a sample protocol:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/714/418/mac4ldf-pis-mk.pdf
Please see the link below to access a specific lot or sample Certificate of Analysis:
https://www.sigmaaldrich.com/product/sigma/mac4ldf#product-documentation
Please see the link below to review product MAC4L, a MetaPolyzyme product that is offered in 5 mg quantities:
https://www.sigmaaldrich.com/product/sigma/mac4l