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99183-17-2

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99183-17-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99183-17-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,8 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99183-17:
(7*9)+(6*9)+(5*1)+(4*8)+(3*3)+(2*1)+(1*7)=172
172 % 10 = 2
So 99183-17-2 is a valid CAS Registry Number.

99183-17-2Relevant articles and documents

Oxidation of Secondary Methyl Ethers to Ketones

Gilissen, Pieter J.,Blanco-Ania, Daniel,Rutjes, Floris P. J. T.

, p. 6671 - 6679 (2017)

We present a mild way of converting secondary methyl ethers into ketones using calcium hypochlorite in aqueous acetonitrile with acetic acid as activator. The reaction is compatible with various oxygen- and nitrogen-containing functional groups and afforded the corresponding ketones in up to 98% yield. The use of this methodology could expand the application of the methyl group as a useful protecting group.

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