Environmental Reference Materials, Organics, Single Component Standards 4-Nitrophenol #56 1000 ug/mL in Methanol read more This product is available for purchase on our new website at zeptometrix.com. Order online today or call our team at +1.800.274.5487. Catalog Number: 56 Options 4×1.5mL, 10X1.5mL Analyte COA's MSDS/SDS Analyte 4-Nitrophenol CAS# 100-02-7 COA's MSDS/SDS Related products Quick View Add to cart Compare Environmental Wastewater Standards Mid-Level Solids CRM #QCI-055 Quick View Add to cart Compare Environmental Reference Materials 7 Anion Standard 2 – 125mL #IC-7-2 Quick View Add to cart Compare Environmental Wastewater Standards Multi-Analyte Solids CRM #QCI-171 Quick View Add to cart Compare Environmental Wastewater Standards Universal Wastewater CRM #QCI-084