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![pNPP [4-Nitrophenyl phosphate, disodium salt] *CAS 333338-18-4* - 25 mg](/web/image/product.product/20605/image_1024/%5B11619%5D%20pNPP%20%5B4-Nitrophenyl%20phosphate,%20disodium%20salt%5D%20*CAS%20333338-18-4*%20-%2025%20mg?unique=6ed9ec8)