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179803-80-6

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179803-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 179803-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,8,0 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 179803-80:
(8*1)+(7*7)+(6*9)+(5*8)+(4*0)+(3*3)+(2*8)+(1*0)=176
176 % 10 = 6
So 179803-80-6 is a valid CAS Registry Number.

179803-80-6Relevant articles and documents

Water-soluble fluorescent polymers that respond to singlet oxygen

Altinok, Esra,Frausto, Fanny,Thomas, Samuel W.

, p. 2526 - 2535 (2016/07/14)

Although acenes with more than three fused rings can both fluoresce efficiently and react with singlet oxygen (1O2) rapidly, their hydrophobic nature presents a challenge to their use in aqueous environments. Herein we report a series of fluorescent, water-soluble random copolymers that each comprise (oligoethylene glycol) methacrylate (OEGMA) and one of several diarylacene methacrylates, including a tetracene methacrylate and a tetraceneothiophene methacrylate. Exposure to 1O2 in water oxidizes the pendant acenes, resulting in diminution of their fluorescence intensities. The observed rate of oxidation of the tetracene-containing polymers compares favorably with a commercial 1O2-sensitive dye. Polymers that also include energy-donating coumarin side chains show ratiometric fluorescence changes in response to 1O2.

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