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116233-63-7

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116233-63-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116233-63-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,2,3 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 116233-63:
(8*1)+(7*1)+(6*6)+(5*2)+(4*3)+(3*3)+(2*6)+(1*3)=97
97 % 10 = 7
So 116233-63-7 is a valid CAS Registry Number.

116233-63-7Relevant articles and documents

Synthesis of 1-O-Methyl-β,D-ezoaminouoic Acid

Knapp, Spencer,Levorse, Anthony T.,Potenza, Joseph A.

, p. 4773 - 4779 (2007/10/02)

The synthesis of the title compound from the Diels-Alder adduct of diethyl ketomalonate and 1,3-butadiene (nine steps, 13percent overall yield) is described.The key step is a transannular "bromolactamization" reaction, which sets up the stereocontrolled functionalization of the pyran ring.The use of resolved p-methoxyenethylamine as the source of the amino group allows the synthesis of both the D (natural) and L (unnatural) series amino sugars.

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