Azido-PEG4-NHS ester, 25 mg pack
https://www.minos-euro.net/shop/220-clk-az103-25-azido-peg4-nhs-ester-25-mg-pack-10725
https://www.minos-euro.net/web/image/product.template/10725/image_1920?unique=5d15378
This ester, is guaranteed a 25 with the use of Azido-PEG4-NHS and directly supplied to your lab by Gentaur's warehouse.
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30-day money-back guarantee
Shipping: 2-3 Business Days