Certificate of Analysis
| Product Name: | Sodium metatungstate |
| Catalog Number: | M14494 |
| CAS Number: | 12141-67-2 |
Physical and Chemical Properties
| Formula: | H2Na6O40W12 |
| Molecular Weight: | 2986.01 |
| Solubility: | Water 50 mg/mL; DMSO 40 mg/mL |
| Storage: | 2-8°C, dry, sealed |
| Chemical Structure: |  |
Product Information
| Description: | Sodium metatungstate (Sodium polyoxotungstate) is a potent ecto-nucleoside triphosphate diphosphohydrolase (ENTPDase) inhibitor, with Ki values of 2.58 μM, 3.26 μM, and 28.8 μM for NTPDase 1 (CD39), NTPDase 3 and NTPDase 2 respectively. |
| Stability and Solubility Advice: | Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide. We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details. |