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552848-23-4

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552848-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 552848-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,2,8,4 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 552848-23:
(8*5)+(7*5)+(6*2)+(5*8)+(4*4)+(3*8)+(2*2)+(1*3)=174
174 % 10 = 4
So 552848-23-4 is a valid CAS Registry Number.

552848-23-4Relevant articles and documents

Deuterated chemiluminescent 1,2-dioxetanes

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Page/Page column 30-31, (2009/05/29)

Deuterium-based i.e. isotopic hydrogen chemiluminescent 1,2-dioxetanes derived from the photo-oxidation of new novel alkenes which are synthesized by the coupling reaction of (a) a saturated or unsaturated cyclic, polycylic, normal or branched chain alkyl, cycloalkyl and spiro-fused and (b) substituted aromatic esters or ketones wherein (a) or (b) or both at least have a deuterium atom or a deuterium atom-containing group. These deuterium-based 1,2-dioxetanes may also have electron donating or withdrawing groups at the four-membered peroxide ring. Thus, the added electronic charge and the isotopic hydrogen or isotopic hydrogen-containing group hereof affects the light producing efficiency of 1,2-dioxetanes.

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