Certificate of Analysis
| Product Name: | Arbutin |
| Catalog Number: | M4599 |
| CAS Number: | 497-76-7 |
Physical and Chemical Properties
| Formula: | C12H16O7 |
| Molecular Weight: | 272.25 |
| Solubility: | DMSO 45 mg/mL |
| Storage: |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Chemical Structure: |  |
Analytical Data
| QC Standard: | >98% |
| H-NMR: | Consistent with structure |
Product Information
| Description: | Arbutin (β -arbutin) is a natural polyphenol isolated from the bear fruit plant Arctostaphylos uvaursi with antioxidant, anti-inflammatory and anti-tumor properties. It is a competitive inhibitor of tyrosinase in melanocytes, with a Kiapp value of 1.42 mM for monopholase. The value of p-diphenol enzyme Kiapp was 0.9 mM. Arbutin is also used as a bleaching agent. |
| 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. |