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1232692-98-6

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1232692-98-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1232692-98-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,2,6,9 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1232692-98:
(9*1)+(8*2)+(7*3)+(6*2)+(5*6)+(4*9)+(3*2)+(2*9)+(1*8)=156
156 % 10 = 6
So 1232692-98-6 is a valid CAS Registry Number.

1232692-98-6Relevant articles and documents

Amino acid-promoted C-H alkylation with alkylboronic acids using a removable directing group

Zhang, Yanghui,Zhang, Yu,Jiang, Hang,Chen, Dushen

, p. 4585 - 4589 (2016/06/09)

Palladium-catalyzed C-H alkylation reaction with alkylboronic acids has successfully been developed using a removable pyridyldiisopropylsilyl directing group. The amino acid played a crucial role as a ligand in the reaction. The alkylation protocol is also applicable to the coupling of C(sp3)-H bonds with alkylboronic acids.

PyDipSi: A general and easily modifiable/traceless Si-tethered directing group for C-H acyloxylation of arenes

Chernyak, Natalia,Dudnik, Alexander S.,Huang, Chunhui,Gevorgyan, Vladimir

supporting information; experimental part, p. 8270 - 8272 (2010/08/04)

A new general and easily installable silicon-tethered pyridyl-containing directing group (PyDipSi) that allows for highly efficient and regioselective Pd-catalyzed ortho C-H acyloxylation of arenes has been developed. It has also been demonstrated that this directing group can efficiently be removed as well as converted into a variety of other valuable functional groups. In addition, the installation of the PyDipSi directing group along with pivaloxylation and quantitative conversion of the PyDipSi group into a halogen functionality represents a formal three-step ortho oxygenation of haloarenes.

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