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112639-16-4

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112639-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112639-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,6,3 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 112639-16:
(8*1)+(7*1)+(6*2)+(5*6)+(4*3)+(3*9)+(2*1)+(1*6)=104
104 % 10 = 4
So 112639-16-4 is a valid CAS Registry Number.

112639-16-4Relevant articles and documents

Short and Divergent Total Synthesis of (+)-Machaeriol B, (+)-Machaeriol D, (+)-Δ8-THC, and Analogues

Klotter, Felix,Studer, Armido

, p. 8547 - 8550 (2015)

Short and highly efficient stereoselective syntheses provide machaeriols and cannabinoids in a divergent approach starting from a common precursor, commercially available (S)-perillic acid. Key features of the novel strategy are a stereospecific palladium-catalyzed decarboxylative arylation and a one-pot sequence comprising a stereoselective hydroboration followed by oxidation or reduction of the corresponding intermediary boranes. The divergent approach is convincingly demonstrated by the five-step syntheses of (+)-machaeriol B, (+)-machaeriol D, and related analogues, and the four-step synthesis of (+)-Δ8-THC and an analogue.

Halogenation of Phenols and Phenyl Ethers with Potassium Halides in the Presence of 18-Crown-6 on Oxidation with m-Chloroperbenzoic Acid

Srebnik, Morris,Mechoulam, Raphael,Yona, Irene

, p. 1423 - 1428 (2007/10/02)

Several types of phenyl ethers have been monobrominated in the ring in good yields with potassium bromide in the presence of 18-crown-6 on oxidation with m-chloroperbenzoic acid.Monoiodination takes place with both phenyl ethers and free phenols when potassium iodide is employed.

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