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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. : | 94-05-3 | MDL No. : | MFCD00009136 |
Formula : | C8H11NO3 | Boiling Point : | - |
Linear Structure Formula : | (NC)(COOC2H5)CCHOC2H5 | InChI Key : | KTMGNAIGXYODKQ-VOTSOKGWSA-N |
M.W : | 169.18 | Pubchem ID : | 1715183 |
Synonyms : |
|
Signal Word: | Danger | Class: | 9 |
Precautionary Statements: | P264-P261-P270-P271-P272-P280-P285-P305+P351+P338-P310-P302+P352-P304+P340-P330-P342+P311-P362+P364-P403+P233-P501 | UN#: | 3335 |
Hazard Statements: | H302-H315-H317-H318-H334-H335 | 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 |
---|---|---|
65% | With potassium carbonate In ethanol for 48 h; Heating / reflux | 2-Methyl-2-thiopseudourea (5 mmol) and ethyl ethoxymethylenecyanoacetate (5 mmol) were dissolved in 20 ml EtOH. To this was added K2CO3 (10 mmol). After the mixture was refluxed for 48 h, it was cooled to room temperature and filtered. The solvent was concentrated in vacuo and purified by column chromatography to give 4-hydroxy-2-(methylthio) pyrimidine-5-carbonitrile in a yield of 65percent. |
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