EC21 Product Catalogs - unknown impurities

Cas 55557-52-3 3-CHLOROPYRAZINE-2-carbonitrile

20260603

Items Standard Appearance Light yellow to off-white powder Identity by 1H-NMR Consistent with the structure Purity by HPLC NLT99% Maximum unknown single impurity NMT0.5% water NMT1.0% FQA:

D(+)-trehalose Dihydrate (For Injection) Cas No.: 6138-23-4

20230307

impurities 0.06%, glucose not detected, maltotriose 0.06%, the largest unknown single impurities not detected Microbial Limit: sterile Bacterial Endotoxin: <0.1IU/g Nitrogen: line with regulations De