Human IgG lyophilized >= 97% purity
https://www.cogerbio.com/shop/135-slh66-0010-human-igg-lyophilized-97-purity-9383
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This IgG Human is guaranteed a lyophilized with the use of 0,97 and directly supplied to your lab by Gentaur's warehouse.
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30-day money-back guarantee
Shipping: 2-3 Business Days