| Product Name | Pyrroloquinoline quinone, ~98% (HPLC) |
| Product Number | D7783 |
| Product Brand | SIGMA |
| CAS Number | 72909-34-3 |
| Molecular Weight | 330.21 |
| TEST | SPECIFICATION |
| APPEARANCE | RED TO DEEP RED POWDER |
| SOLUBILITY | CLEAR TO SLIGHTLY HAZY YELLOWISH GREEN TO BROWN AT 10 MG/ML OF 1 M SODIUM HYDROXIDE |
| WATER CONTENT BY KARL FISCHER | NOT MORE THAN 15% |
| IR SPECTRUM | CONSISTENT WITH STRUCTURE |
| PURITY BY HPLC | NOT LESS THAN 97.0% |
| DOCUMENT # | D7783/09/19/07 |
