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473724-00-4

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473724-00-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 473724-00-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,3,7,2 and 4 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 473724-00:
(8*4)+(7*7)+(6*3)+(5*7)+(4*2)+(3*4)+(2*0)+(1*0)=154
154 % 10 = 4
So 473724-00-4 is a valid CAS Registry Number.

473724-00-4Downstream Products

473724-00-4Relevant articles and documents

Dye-forming coupler, silver halide photographic light-sensitive material, and azomethine dye compound

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Page/Page column 34-35, (2008/06/13)

A dye-forming coupler of formula (I), a silver halide photographic light-sensitive material containing the coupler, and an azomethine dye compound derived from the coupler: wherein Q is a residue that forms, together with the —N—C═N— moiety, a nitrogen-containing 6-membered ring; RA is a certain alkyl group having at least 7 carbon atoms, or -L-R1; X is an aryl group; Y is a hydrogen atom, or a group capable of being split-off upon a coupling reaction; wherein, when RA is -L-R1, L is a divalent linking group, and R1 is a substituent; and -L-R1 does not represent an alkyl, alkenyl, alkynyl, or aryl group, and -L-R1 does not represent a heterocyclic group that bonds, with a carbon atom therein, to the nitrogen atom of the nitrogen-containing 6-membered ring formed by Q and the —N—C═N— moiety.

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