Table 6 Criteria for determining the availability of chemicals and scoring
Availability criteria | Availability score |
|---|---|
High Production Volume chemical, few purchase restrictions, widely used and transported, minimum security (HPV) | 5 |
Commercially Available, No (or few) purchase restrictions, widely used, minimum security (CAN) | 4 |
Commercially Available, major purchase Restrictions, limited use, tight security (CAR) | 3 |
not commercially available, Chemical Synthesis easy, available precursors, standard equipment (CS) | 2 |
not commercially available, Chemical Synthesis Difficult (complex multistep), special equipment (CSD) | 1 |