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alpha-Arbutin 4-Hydroquinone-alpha-D-glucopyranoside 84380-01-8
Product Name: | alpha-Arbutin |
Synonyms: | alpha-arbutin;4-hydroquinone-alpha-d-glucopyranoside;a-Arbutin;Hydroquinone O-α-D-Glucopyranoside;4-Hydroxyphenyl a-D-glucopyranoside;(2R,3S,4S,5R,6S)-2-(HYDROXYMETHYL)-6-(4-HYDROXYPHENOXY)TETRAHYDROPYRAN-3,4,5-TRIOL |
CAS: | 84380-01-8 |
MF: | C12H17O7 |
MW: | 272.25 |
Product Categories: | Plant extract;Aromatics;Carbohydrates & Derivatives;Intermediates & Fine Chemicals;Pharmaceuticals |
Mol File: | 84380-01-8.mol |
Item |
Specification |
Results |
Appearance |
White powder |
White powder |
Assay |
99.0%Min |
99.5% |
Melting point |
203~206±1°C |
205.0-206.0 |
Clarity of water solution |
Transpency, colorless, none suspended matters |
Complies |
pH (1% aq) |
5.0~7.0 |
6.08 |
Specific optical ratation |
α =+176~184º |
+179.2 |
Arsenic |
≤2 ppm |
Complies |
Hydroquinone |
≤10 ppm |
Complies |
Heavy metal |
≤10 ppm |
Complies |
Loss on drying |
≤0.5% |
0.06% |
Ignition residue |
≤0.5% |
0.04% |
Total Plate Count |
≤1000cfu/g |
Complies |
Salmonella |
Negative |
Complies |
E.Coil |
Negative |
Complies |
Yeast & Mold |
≤100cfu/g |
Complies |
Conclusion |
The results comply with standards of USP32. |
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