Acid anhydrides
| ZWIĄZEK | ILOŚĆ | CENA | WZÓR | INNE |
| Phthalic anhydride | 50g | 2 euro | CAS : 85-44-9 |  |
| 100g | 3,80 euro | | |
| 250g | 7,50 euro | | |
| Amber anhydride | 50g | 2,50 euro | CAS : 108-30-5 | |
| 100g | 4,50 euro | | |
| 250g | 9 euro | | |
| Maleic anhydride | 50g | 2 euro | CAS: 108-31-6 |  |
| 100g | 3,80 euro | | |
| 250g | 7,50 euro | | |