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5-CR6G
5-Carboxyrhodamine 6G; Single isomer
5-CR6G is the purified single isomer of 5(6)-CR6G. It is preferred for some complicated biological applications where reproducibility is more critical than material cost since the minor positional difference between 5-CR6G and 6-CR6G might significantly affect some biological properties of the underlying conjugates. This isomer is predominantly used to label small molecules, peptides and proteins.
Chemical structure for 5-CR6G [5-Carboxyrhodamine 6G] *Single isomer*
Chemical structure for 5-CR6G [5-Carboxyrhodamine 6G] *Single isomer*
CatalogSize
Price
Quantity
33110 mg
Price
 
Physical properties

Molecular weight494.97
SolventDMSO
Spectral properties

Correction factor (260 nm)0.24
Correction factor (280 nm)0.214
Extinction coefficient (cm -1 M -1)
94000
Excitation (nm)522
Emission (nm)546
Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12171501
CAS180144-69-8
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Page updated on October 12, 2025