| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 2.95 | USD | 20200417 |
| chempricehub | National standard | Kg | 2.76 | USD | 20200417 |
| chempricehub | National standard | Kg | 0.71 | USD | 20200417 |
| chempricehub | National standard | Kg | 375.41 | USD | 20200416 |
| chempricehub | National standard | Kg | 51.57 | USD | 20200416 |
| chempricehub | National standard | Kg | 27.38 | USD | 20200416 |
| chempricehub | National standard | Kg | 22.45 | USD | 20200416 |
| chempricehub | National standard | Kg | 19.89 | USD | 20200416 |
| chempricehub | National standard | Kg | 2.91 | USD | 20200416 |
| chempricehub | National standard | Kg | 2.44 | USD | 20200415 |