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89556-78-5

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89556-78-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89556-78-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,5 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89556-78:
(7*8)+(6*9)+(5*5)+(4*5)+(3*6)+(2*7)+(1*8)=195
195 % 10 = 5
So 89556-78-5 is a valid CAS Registry Number.

89556-78-5Downstream Products

89556-78-5Relevant articles and documents

Chiral Sulfamides: Synthesis of Optically Active 2-Sulfamyloxaziridines. High Enantioselectivity in the Asymmetric Oxidation of Sulfides to Sulfoxides

Davis, Franklin A.,McCauley, John P.,Harakal, Mark E.

, p. 1465 - 1467 (2007/10/02)

The first synthesis of optically active 2-sulfamyloxaziridines 4a-d and 5a-d, which affords high enantioselectivity (38-68 percent ee) for asymmetric oxidations of sulfides to sulfoxides, is described.

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