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16727-05-2

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16727-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16727-05-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,2 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16727-05:
(7*1)+(6*6)+(5*7)+(4*2)+(3*7)+(2*0)+(1*5)=112
112 % 10 = 2
So 16727-05-2 is a valid CAS Registry Number.

16727-05-2Relevant articles and documents

Photocatalytic decarboxylative alkylations mediated by triphenylphosphine and sodium iodide

Fu, Ming-Chen,Shang, Rui,Zhao, Bin,Wang, Bing,Fu, Yao

, p. 1429 - 1434 (2019/04/30)

Most photoredox catalysts in current use are precious metal complexes or synthetically elaborate organic dyes, the cost of which can impede their application for large-scale industrial processes. We found that a combination of triphenylphosphine and sodium iodide under 456-nanometer irradiation by blue light–emitting diodes can catalyze the alkylation of silyl enol ethers by decarboxylative coupling with redox-active esters in the absence of transition metals. Deaminative alkylation using Katritzky’s N-alkylpyridinium salts and trifluoromethylation using Togni’s reagent are also demonstrated. Moreover, the phosphine/iodide-based photoredox system catalyzes Minisci-type alkylation of N-heterocycles and can operate in tandem with chiral phosphoric acids to achieve high enantioselectivity in this reaction.

Photosensitive compound

-

, (2008/06/13)

Photosensitive compounds having preferably a functional group such as --SO2 Cl, --SO3 H, --SO3 R, STR1 (R, R', R" being alkyl) on a terminal benzene or naphthalene ring connected via a methylene group and STR2 moiety are improved in sensitivity to light and thermal stability, and thus useful in a photo resist.

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