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912551-99-6

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912551-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 912551-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,2,5,5 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 912551-99:
(8*9)+(7*1)+(6*2)+(5*5)+(4*5)+(3*1)+(2*9)+(1*9)=166
166 % 10 = 6
So 912551-99-6 is a valid CAS Registry Number.

912551-99-6Relevant articles and documents

Generation and Cyclization of a Benzyne-Tethered Alkyllithium: Preparation of 4-Substituted Indans

Bailey, William F.,Longstaff, Sarah C.

, p. 432 - 433 (1998)

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Site-Selective C(sp3)–H Functionalization of Fluorinated Alkanes Driven by Polar Effects Using a Tungstate Photocatalyst

Fukuyama, Takahide,Nishikawa, Tomohiro,Ryu, Ilhyong

, p. 1424 - 1428 (2019/09/12)

The TBADT-catalyzed C(sp3)–H functionalization of perfluorophenyl- and perfluoroalkyl-substituted alkanes was studied to determine how the fluorous substituents affect site-selectivity. Alkylation of alkyl-substituted perfluorobenzene avoids α-C–H bonds, unlike their alkylbenzene counterparts, allowing site-selective functionalization of C–H bonds remote to the aromatic ring. Alkylation of alkanes having a perfluoroalkyl group also avoided α-C–H bonds. Radical polar effects in the SH2 transition states could explain this avoidance of α-C–H functionalization.

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