The IgG concentration of this product is lot-specific and may range from 2.0 - 4.0 mg/mL. This information is reported in the product Certificate of Analysis. Please see the link below to review a sample or lot-specific Certificate:
https://www.sigmaaldrich.com/product/sigma/b3773#product-documentation
Please see the following link to review additional information available in the product datasheet:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/237/578/b3773dat.pdf



