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102099-16-1

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102099-16-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102099-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,0,9 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 102099-16:
(8*1)+(7*0)+(6*2)+(5*0)+(4*9)+(3*9)+(2*1)+(1*6)=91
91 % 10 = 1
So 102099-16-1 is a valid CAS Registry Number.

102099-16-1Relevant articles and documents

METHOD AND SUBSTANCES FOR PREPARATION OF N-SUBSTITUTED PYRIDINIUM COMPOUNDS

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Page/Page column 22-23, (2011/02/24)

The present invention relates to a method for the synthesis of N-substituted pyridinium compounds by using an N-heteroaryl substituted pyridinium salt (Zincke salt) and reacting it with a nucleophilic amine. In this reaction the pyridinium ring of the Zincke salt reacts with the amine which induces ring opening followed by ring closing, whereby the nitrogen of the amine becomes part of the N-substituted pyridinium ring. Preferably the amine is a primary amine. Novel purine-substituted pyridyl compounds, which can e.g. used in the above reaction, are also disclosed.

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