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91791-27-4

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91791-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91791-27-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,9 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91791-27:
(7*9)+(6*1)+(5*7)+(4*9)+(3*1)+(2*2)+(1*7)=154
154 % 10 = 4
So 91791-27-4 is a valid CAS Registry Number.

91791-27-4Upstream product

91791-27-4Relevant articles and documents

Halogen-bonded iodonium ion catalysis: A route to α-hydroxy ketones: Via domino oxidations of secondary alcohols and aliphatic C-H bonds with high selectivity and control

Guha, Somraj,Kazi, Imran,Mukherjee, Pranamita,Sekar, Govindasamy

supporting information, p. 10942 - 10945 (2017/10/13)

A domino synthesis of α-hydroxy ketones has been developed from benzylic secondary alcohols employing catalytic iodonium ions stabilized by DMSO. The reaction proceeds through an unprecedented sequential oxidation of alcohols to ketone and its α-hydroxylation in a controlled manner. The spectroscopic evidence establishes the possibility of formation of a stable halogen-bonded adduct between DMSO and iodonium ions.

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