trans-3,5-Dimethoxystilbene-4′-O-glucoside: stilbene glucoside.
Purity and quantity by the chromatographic method matched to the compound (HPLC-UV, LC-MS or GC-MS), with identity against a reference standard. $250 per sample; raw powder purity $200. Results in 3 to 5 business days.
trans-3,5-Dimethoxystilbene-4′-O-glucoside: 2D structure drawn from the PubChem record. Stereochemistry shown as registered.
38967-99-6
C22H26O8
418.4 g/mol (monoisotopic 418.16)
stilbene glucoside
IUPAC name or sequence: (2S,3R,4S,5S,6R)-2-[4-[(E)-2-(3,5-dimethoxyphenyl)ethenyl]phenoxy]-6-(hydroxymethyl)oxane-3,4,5-triol
Other names: Pterostilbene glucoside, Pterostilbene 4′-O-beta-D-glucoside
Chromatographic purity and mg per unit by the method matched to the compound, identity against a reference standard. 1 unit.
| Add-on test | Price |
|---|---|
| Identity and impurities | |
| FTIR identity | $90 |
| CHNS elemental analysis (carbon, hydrogen, nitrogen, sulfur) | $125 |
| Chiral purity (where a chiral method exists; new methods quoted) | $250 |
| Water, solvents and salt form | |
| Water content by Karl Fischer | $60 |
| Residual solvents | $150 |
| Counterions: chloride, acetate and TFA | $70 |
| Assay | |
| Assay, % w/w (with raw powder purity; $250 together) | +$50 |
| Metals and conformity | |
| Heavy metals: arsenic, cadmium, chromium, mercury and lead | $150 |
| Conformity: purity and quantity on more units from the same lot | $100 per extra unit |
| Microbiology (injectables) | |
| Endotoxin | $210 |
| Sterility or bioburden | $150 |
| Container closure integrity (CCI) | $50 |
| Screening | |
| Fentanyl screen | $50 |
10% off for 10 or more samples.
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