There will be a HazMat fee per item when shipping a dangerous goods. The HazMat fee will be charged to your UPS/DHL/FedEx collect account or added to the invoice unless the package is shipped via Ground service. Ship by air in Excepted Quantity (each bottle), which is up to 1g/1mL for class 6.1 packing group I or II, and up to 25g/25ml for all other HazMat items.
Type | HazMat fee for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
Limited Quantity | USD 15-60 |
Inaccessible (Haz class 6.1), Domestic | USD 80+ |
Inaccessible (Haz class 6.1), International | USD 150+ |
Accessible (Haz class 3, 4, 5 or 8), Domestic | USD 100+ |
Accessible (Haz class 3, 4, 5 or 8), International | USD 200+ |
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CAS No. : | 2373-89-9 | MDL No. : | MFCD00025815 |
Formula : | C17H16O3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | HDXVSZWKIHQDES-LFYBBSHMSA-N |
M.W : | 268.31 | Pubchem ID : | 5377817 |
Synonyms : |
|
Signal Word: | Danger | Class: | 9 |
Precautionary Statements: | P201-P264-P280-P301+P330+P331-P312 | UN#: | 3077 |
Hazard Statements: | H302-H361-H372-H410 | Packing Group: | Ⅲ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: 85 percent / hydrazine hydrate / ethanol / 5 h / Heating 2: 73 percent / Br2 / CHCl3 / 4 h / Ambient temperature |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With sulfur; hydrazine hydrate In ethanol at 150℃; for 2h; Microwave irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | In dichloromethane at 40 - 42℃; stereoselective reaction; | General procedure for the synthesis of ditosyloxy ketone derivatives (GP) General procedure: To the solution of chalcone 1 (0.004 mol) in dichloromethane (30-40 ml) was added HTIB (0.008 mol, 2 equiv.). Then theresulting mixture was allowed to stir at 40-42°C. HTIB was highly insoluble in dichloromethane, butgradually disappeared as the reaction proceeded. The stirring was allowed to continue for about 40-44hours. The solvent was evaporated in vacuo. The gummy mass so obtained was triturated withpetroleum ether (60-80°C) (3 x 20 ml) to remove iodobenzene. The white solid obtained was thoroughlywashed with water (2 x 30 ml) to remove p-toluenesulphonic acid formed as by-product. The solid wasrecrystalized from acetonitrile to give the pure ditosyloloxy ketone. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | With oxalic acid at 120℃; for 16h; regioselective reaction; | Synthesis of 8-Thioxo-1,7,9-trizaospiro[4,5]dec-1-ene-6,10-dione Analogues General procedure: A mixture of α.β-unsaturated ketone (1 mmol), 5,6-diamino-2-mercaptopyrimidin-4-ol (1 mmol), and oxalic acid (20 mol%) was taken in an Ace Pressure tube, and the reaction mixture was heated at 120 °C for 16 h. After completion of the reaction (monitored by TLC), DMF (1 mL) was added to the gummy reaction mass and was stirred for 10 min at 120 °C to solubilize the reaction mass. The solution was cooled to room temperature and then poured into ice-cold water. The precipitate formed was filtered, dried, and purified by column chromatography using eluent ethyl acetate and hexane. All compounds were obtained as solids. |
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