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81097-06-5

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81097-06-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81097-06-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,9 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81097-06:
(7*8)+(6*1)+(5*0)+(4*9)+(3*7)+(2*0)+(1*6)=125
125 % 10 = 5
So 81097-06-5 is a valid CAS Registry Number.

81097-06-5Relevant articles and documents

CYCLISATION DE N-TOSYL OXIRANES-PROPYLAMINES: SYNTHESE D'HETEROCYCLES AZOTES.

Nuhrich, A.,Moulines, J.

, p. 3075 - 3088 (2007/10/02)

The cyclisation of N-tosyl-oxiranepropylamines is accomplished in aqueous basic medium and in anhydrous acid medium as well.In most cases, this reaction occurs by a regiospecific 5-exo-tet. ring closure and affords N-tosyl-2-pyrrolidinemethanols in high y

Palladium-Catalyzed Cyclization of ω-Olefinic Tosamides. Synthesis of Nonaromatic Nitrogen Heterocycles

Hegedus, Louis S.,McKearin, James M.

, p. 2444 - 2451 (2007/10/02)

The cyclization of aliphatic amino olefins to nonaromatic nitrogen heterocycles nas been accomplished by conversion of the amine to the corresponding p-toluenesulfonamide, followed by Pd(II)-catalyzed intramolecular amination of the olefin.The resulting t

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