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Type HazMat fee for 500 gram (Estimated)
Excepted Quantity USD 0.00
Limited Quantity USD 15-60
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Inaccessible (Haz class 6.1), International USD 150+
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Accessible (Haz class 3, 4, 5 or 8), International USD 200+
Chemical Structure| 21900-25-4 Chemical Structure| 21900-25-4

Structure of 21900-25-4

Chemical Structure| 21900-25-4

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Product Details of [ 21900-25-4 ]

CAS No. :21900-25-4
Formula : C8H6BrClO
M.W : 233.49
SMILES Code : O=C(Cl)C1=CC=C(Br)C(C)=C1
MDL No. :MFCD01075724

Safety of [ 21900-25-4 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H302-H312-H314-H332
Precautionary Statements:P260-P261-P264-P270-P271-P280-P301+P312-P301+P330+P331-P302+P352-P303+P361+P353-P304+P340-P305+P351+P338-P310-P312-P321-P322-P330-P363-P405-P501
Class:8
UN#:3265
Packing Group:

Application In Synthesis of [ 21900-25-4 ]

* 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.

  • Downstream synthetic route of [ 21900-25-4 ]

[ 21900-25-4 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 21900-25-4 ]
  • [ 3425-46-5 ]
  • [ 98-32-8 ]
  • 4-bromo-N-((2-hydroxy-5-sulfamoylphenyl)carbamoselenoyl)-3-methylbenzamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
82% General procedure: Potassium selenocyanate (0.14 g, 1.0 mmol) dissolved inacetone (5.0 mL) was treated with the appropriate acyl chloride1a?i (1.0 mmol). The reaction mixture was stirred at r.t. for15 min, followed by addition of appropriate aminobenzensulfonamide(2?6) (1.0 mmol) and stirred for 40 min at the same temperature.After this time the mixture was quenched with H2O and theformed precipitate was filtered-off and dried on air. The obtainedproducts 7?22 were used as they are.
 

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