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122744-77-8

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122744-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122744-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,7,4 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 122744-77:
(8*1)+(7*2)+(6*2)+(5*7)+(4*4)+(3*4)+(2*7)+(1*7)=118
118 % 10 = 8
So 122744-77-8 is a valid CAS Registry Number.

122744-77-8Downstream Products

122744-77-8Relevant articles and documents

Synthesis and X-ray Analysis of Dihydro-1,2,4,5-trioxazine. Evidence of a Steowise Mechanism for the Cycloaddition of Carbonyl Oxides with Nitrones

Mori, Mitsuyuki,Sugiyama, Tomohito,Nojima, Masatomo,Kusabayashi, Shigekazu,McCullough, Kevin J.

, p. 2285 - 2294 (2007/10/02)

Carbonyl oxides, derived by ozonolysis of vinyl ethers, readily undergo cycloaddition reactions with nitrones affording dihydro-1,2,4,5-trioxazines in fair to excellent yield.The structures of dihydro-3,5,6-triphenyl-1,2,4,5-trioxazine (5f) and dihydro-3-cyclohexyl-5-methyl-6,6-diphenyl-1,2,4,5-trioxazine (5t) were unambiguously determined by X-ray analysis.Ozonolysis of 1-cyclohexyl-2-methoxyethene in the presence of either (E)- or (Z)-α-(4-methylphenyl)-α-phenyl-N-methylnitrone gave a 1:1 mixture of two stereoisomeric cycloadducts.This result, in conjunction with the structure of the relevant 5t, suggests that the cycloaddition proceeds by a stepwise mechanism.

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