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113849-81-3

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113849-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113849-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,8,4 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 113849-81:
(8*1)+(7*1)+(6*3)+(5*8)+(4*4)+(3*9)+(2*8)+(1*1)=133
133 % 10 = 3
So 113849-81-3 is a valid CAS Registry Number.

113849-81-3Relevant articles and documents

SYNTHESIS OF 1,2-DIOXETANES VIA ELECTRON-TRANSFER OXYGENATION

Curci, Ruggero,Lopez, Luigi,Troisi, Luigino,Rashid, S. M. K.,Schaap, Paul A.

, p. 5319 - 5322 (1987)

Thermally stable 1,2-dioxetanes have been synthesized by the reaction of enol-ethers with tris p-bromophenylammoniumyl hexachloroantimonate via a chain oxygenation reaction involving formation of enol-ether cation radicals.

Use of the Wadsworth-Emmons reaction for preparing hindered vinyl ethers and related 1,2-dioxetanes

Roeschlaub, Carl A.,Sammes, Peter G.

, p. 2243 - 2248 (2007/10/03)

Arylaldehyde acctals can be reacted with trimethyl phosphite to produce the corresponding dimethyl α-methoxy-benzylphosphonates, themselves used in a Wadsworth-Emmons reaction with adamantanone to produce hindered methyl vinyl ethers. These vinyl ethers are useful in the preparation of chemiluminescent 1,2-dioxetanes. The scope of the reaction has been explored.

OXIDATION OF ENOL ETHERS BY METAL(VI)OXIDE DIPEROXIDES

Curci, Ruggero,Lopez, Luigi,Troisi, Luigino,Rashid, S. M. Khaledur,Schaap, A. Paul

, p. 3145 - 3148 (2007/10/02)

Alkoxy(aryl) adamantylidenes react with chromium(VI) or molybdenum(VI) oxide diperoxides in CHCl3 under argon yielding the corresponding 1,2-dioxetanes and/or carbonyl products derived from the fragmentation of the dioxetanes.The reaction most likely proceeds via preliminary epoxidation of the unsaturated substrates.

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