| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 1.13 | USD | 20200422 |
| chempricehub | National standard | Kg | 206.53 | USD | 20200422 |
| chempricehub | National standard | Kg | 0.19 | USD | 20200422 |
| chempricehub | National standard | Kg | 1.2 | USD | 20200421 |
| chempricehub | National standard | Kg | 1.59 | USD | 20200421 |
| chempricehub | National standard | Kg | 1.18 | USD | 20200421 |
| chempricehub | National standard | Kg | 0.47 | USD | 20200421 |
| chempricehub | National standard | Kg | 8.53 | USD | 20200420 |
| chempricehub | National standard | Kg | 1.33 | USD | 20200420 |
| chempricehub | National standard | Kg | 1.2 | USD | 20200420 |