Inside the “For Chiral Derivatization” Grade
A for chiral derivatization reagent is a derivatization reagent purpose-built and application-qualified for stereochemical measurements—e.g., ee (enantiomeric excess)/er (enantiomeric ratio) determination and, where applicable, absolute-configuration assignment.(ee/er quick card: if R:S = 70:30 ...
危险品化学品经营许可证（带存储）