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17752-78-2

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17752-78-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17752-78-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,5 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17752-78:
(7*1)+(6*7)+(5*7)+(4*5)+(3*2)+(2*7)+(1*8)=132
132 % 10 = 2
So 17752-78-2 is a valid CAS Registry Number.

17752-78-2Downstream Products

17752-78-2Relevant articles and documents

Photolyses of Derivatives of Naphthyl and Anthryl Phosphates and Methylphosphonates

Nakamura, Mitsunobu,Sawasaki, Koichi,Okamoto, Yoshiki,Takamuku, Setsuo

, p. 3189 - 3198 (2007/10/03)

Upon UV irradiation in acetonitrile, tri-1-naphthyl phosphate and di-1-naphthyl methylphosphonate underwent intramolecular rearrangement and ipso-coupling to give 1,2'-binaphthalen-1'-ol and 1,1'-binaphthalene, respectively.In the photolyses of tris(4-methoxy-1-naphthyl) phosphate and bis(4-methoxy-1-naphthyl) methylphosphonate in methanol, 4,4'-dimethoxy-1,1'-binaphthalene, 1',4,4'-trimethoxy-1,2'-binaphthalene, and 2,4,4'-trimethoxy-1,1'-binaphthalene were generated.Tri-9-anthryl phosphate and di-9-anthryl methylphosphonate underwent intramolecular (4+4) photocycloaddition between two anthryl groups.The fluorescence spectra of the naphthyl derivatives had two emission bands ascribed to an intramolecular excimer and a monomer, but the fluorescence spectra of the anthryl derivatives had only a monomer emission band.These photoluminescence behaviors are closely related to the reactivities of the compounds.

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