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89597-96-6

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89597-96-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89597-96-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,9 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89597-96:
(7*8)+(6*9)+(5*5)+(4*9)+(3*7)+(2*9)+(1*6)=216
216 % 10 = 6
So 89597-96-6 is a valid CAS Registry Number.

89597-96-6Downstream Products

89597-96-6Relevant articles and documents

Asymmetric Diels-Alder Reactions with Sulfines Derived from Proline

Broek, Leon A. G. M. van den,Porskamp, Pascal A. T. W.,Haltiwanger, R. Curtis,Zwanenburg, Binne

, p. 1691 - 1695 (2007/10/02)

The Synthesis of a variety of sulfines 8 derived from S-proline, utilizing the reaction of α-silyl carbanions with sulfur dioxide, is described.Reaction of the thus prepared sulfines 8 with 2,3-dimethyl-1,3-butadiene gave dihydrothiopyran S-oxides 9.During these cycloaddition reactions asymmetric inductions up to 40percent were observed.From one pure diastereomeric form of cycloadduct 9d an X-ray analysis was carried out in order to provide insight in the steric course of the cycloaddition reaction.

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