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502637-10-7

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502637-10-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 502637-10-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,6,3 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 502637-10:
(8*5)+(7*0)+(6*2)+(5*6)+(4*3)+(3*7)+(2*1)+(1*0)=117
117 % 10 = 7
So 502637-10-7 is a valid CAS Registry Number.

502637-10-7Downstream Products

502637-10-7Relevant articles and documents

Bichromophoric perylene derivatives: Energy transfer from non-fluorescent chromophores

Langhals, Heinz,Saulich, Sigrid

, p. 5630 - 5643 (2002)

The energy of excitation at non-fluorescent chromophores such as fluorenone and anthraquinone has been trapped by a fast energy transfer to the highly fluorescent perylene bisimides. To this end, anthraquinone, fluorenone and anthracene derivatives have been linked to the perylene bisimides by non-conjugating spacers and fluorescence quantum yield of such assemblies have been determined as a function of the wavelengths of excitation. Energy transfer in such assemblies is strongly influenced by the orientation of the two chromophores. This is of interest for the construction of fluorescence switches.

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