Informations générales |
Nom des produits:L-Fucose |
N ° CAS :2438-80-4 |
Formule moléculaire: C6 H12O5 |
Masse moléculaire: 164,16 |
Apparence:poudre cristalline blanche |
Solubilité:>20 g/l (soluble dans l'eau) |
ANALYSE DE BASE | |||
Article | Standard | Test Results | |
Identification | |||
UNE | H-NMR:Comply with the structure | Conforme | |
B. | LC-MS:Comply with the structure | Conforme | |
C. | The IR spectrum of sample should be identical with that of reference standard; | Conforme | |
ré. | HPLC-ESI-MS | Conforme | |
The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. | |||
Crystallinity | meets the requirements. | Conforme | |
Perte au séchage | ≤2.0% | 0.19% | |
Métaux lourds | ≤10 ppm | <10ppm | |
Eau | ≤1.0% | 0.10% | |
Sulphated ash | ≤0,5 %, determined on 1.0 g. | 0.01% | |
Substances apparentées | Unspecified impurities: for each impurity | ≤0.10% | <0.10% |
Total Impurity | ≤0,5 % | 0.18% | |
Pureté | ≥99,0 % | 99.70% | |
Essai | 99.0%~101,0 % (anhydrous substance). | 99.80% | |
Analyse microbiologique | |||
Nombre total de plaques | ≤1000ufc/g | Conforme | |
Yeast and Moulds | ≤100ufc/g | Conforme | |
E. Coli. | Absent | Négatif | |
Salmonelle | Absent | Négatif | |
S.aureus | Absent | Négatif | |
Stockage | Preserve in well-closed, light-resistant and airtight containers. | Conforme |