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Trypsin Substrate (Colorimetric)

A useful chromogenic trypsin substrate
Catalog #: B2451
SKU-Size Size Price Qty
B2451-5 5 mg
B2451-25 25 mg
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Product Details

Alternate Name Acetyl-Gly-Pro-Lys-p-nitroanilide, Ac-GPK-pNA
Peptide Sequence Ac-Gly-Pro-Lys-pNA
Appearance Pale yellow solid
Molecular Formula C₂₁H₃₀N₆O₆
Molecular Weight 462.5
Purity ≥98% by HPLC
Solubility ~10 mg/ml in DMSO
Handling Do not take internally. Wear gloves and mask when handling the product! Avoid contact by all modes of exposure.
Storage Conditions -20ºC
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


A chromogenic trypsin substrate. Trypsin cleaves p-nitroanilide (pNA) releasing p-nitroanilne that can be quantified using a spectrophotometer or a microtiter plate reader at ~ 405 nm.

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