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. : | 34981-38-9 | MDL No. : | MFCD09742738 |
Formula : | C7H6Cl2O2S | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 225.09 | Pubchem ID : | - |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | 3265 |
Hazard Statements: | H314 | Packing Group: | Ⅱ |
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 |
---|---|---|
65% | With potassium formate at 200℃; for 7h; neat (no solvent); | |
With sulfuric acid; zinc | ||
With sulfuric acid; zinc at 10℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: zinc-powder; aqueous H2SO4 2: water 3: sulfuric acid 4: pyridine / 180 °C | ||
Multi-step reaction with 4 steps 1: zinc-powder; aqueous H2SO4 2: K2CO3; copper-powder; KI / weiteres Reagens: Benzylalkohol 3: sulfuric acid 4: pyridine / 180 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
46% | General procedure: These were made using NaHCO3 or 2,6-lutidine as detailed below, unless otherwise stated. Methylhydrazine sulfate (1.2 equiv) and NaHCO3 (5 equiv) were added to a solution of <strong>[1101120-05-1]3-formylpyrazolo[1,5-a]pyridine-5-carbonitrile</strong> (2) (1 equiv) in MeOH (5 mL). After all of the aldehyde was consumed, sulfonyl chloride or acyl chloride (1.3 equiv) was added and the reaction mixture stirred for a further 30 min. The solvent was removed in vacuo and the residue taken up in CH2Cl2 and water. The layers were separated and the aqueous phase extracted with CH2Cl2, then the combined organic layers were dried (Na2SO4) and the solvent removed in vacuo. Chromatography or trituration then afforded the hydrazides. Alternatively, methylhydrazine sulfate (1.2 equiv) and 2,6-lutidine (5 equiv) were added to a solution of 2 (1 equiv) in MeOH (5 mL). After all of the aldehyde was consumed, sulfonyl chloride or acyl chloride (1.3 equiv) was added and the reaction mixture stirred for a further 30 min. The hydrazide was then filtered off, washed with MeOH and dried. |