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552832-63-0

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552832-63-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 552832-63-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,2,8,3 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 552832-63:
(8*5)+(7*5)+(6*2)+(5*8)+(4*3)+(3*2)+(2*6)+(1*3)=160
160 % 10 = 0
So 552832-63-0 is a valid CAS Registry Number.

552832-63-0Relevant articles and documents

Facile preparation and chemical transformations of spirocyclopropane-annelated heterocycles

De Meijere, Armin,Kuchuk, Ilya D.,Sokolov, Viktor V.,Labahn, Thomas,Rauch, Karsten,Es-Sayed, Mazen,Kraemer, Thomas

, p. 985 - 997 (2007/10/03)

A productive approach has been developed to spirocyclopropane-annelated 1,4-benzoxathiane 17 (85%), 1,4-benzothiazines 20-22 (56-88%) and 1,4-benzoxazines 25, 26 (55-71%), through Michael additions of binucleophilic o-hydroxythiophenol 15, o-aminothiophen

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