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1609021-28-4

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1609021-28-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609021-28-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,0,2 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1609021-28:
(9*1)+(8*6)+(7*0)+(6*9)+(5*0)+(4*2)+(3*1)+(2*2)+(1*8)=134
134 % 10 = 4
So 1609021-28-4 is a valid CAS Registry Number.

1609021-28-4Downstream Products

1609021-28-4Relevant articles and documents

Near-visible light generation of a quinone methide from 3-hydroxymethyl-2-anthrol

?kalamera, Dani,Mlinari?-Majerski, Kata,Martin-Kleiner, Irena,Kralj, Marijeta,Wan, Peter,Basari?, Nikola

, p. 4390 - 4397 (2014/06/09)

Excitation of 2-hydroxy-3-(diphenylhydroxymethyl)anthracene (7) to S 1 initiates photodehydration, giving the corresponding quinone methide (QM) that was detected by laser flash photolysis (LFP) in 2,2,2-trifluoroethanol (λ = 580 nm, τ = 690 ± 10 ns). The QM decays by protonation, giving a cation (λ = 520 nm, τ = 84 ± 3 μs), which subsequently reacts with nucleophiles. The rate constants in the reactions with nucleophiles were determined by LFP, whereas the adducts were isolated via preparative photolyses. The photogeneration of QMs in the anthrol series is important for potential use in biological systems since the chromophore absorbs at wavelengths > 400 nm. Antiproliferative investigations conducted with 2-anthrol derivative 7 on three human cancer cell lines showed higher activity for irradiated cells.

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