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3,6-Dichlorobenzene-1,2,4-tricarboxylic anhydride
3,6-Dichlorotrimellitic anhydride
3,6-Dichlorotrimellitic anhydride is the key precursor that is used for preparing a variety of dichlorinated fluoresceins and rhodamines such as TET and HEX. These chlorinated fluoresceins and rhodamines are widely used for labeling oligos and in DNA sequencing.
Chemical structure for 3,6-Dichlorobenzene-1,2,4-tricarboxylic anhydride [3,6-Dichlorotrimellitic anhydride]
Chemical structure for 3,6-Dichlorobenzene-1,2,4-tricarboxylic anhydride [3,6-Dichlorotrimellitic anhydride]
CatalogSize
Price
Quantity
40211 g
Price
 
Physical properties

Molecular weight261.01
SolventDMF
Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C)
UNSPSC12352200
CAS81742-10-1
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Page updated on October 12, 2025