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1283727-48-9

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1283727-48-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1283727-48-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,3,7,2 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1283727-48:
(9*1)+(8*2)+(7*8)+(6*3)+(5*7)+(4*2)+(3*7)+(2*4)+(1*8)=179
179 % 10 = 9
So 1283727-48-9 is a valid CAS Registry Number.

1283727-48-9Downstream Products

1283727-48-9Relevant articles and documents

An alternative synthetic approach for the synthesis of biologically relevant 1,4-disubstituted pyrazolo[3,4-d]pyrimidines

Radi, Marco,Bernardo, Vincenzo,Vignaroli, Giulia,Brai, Annalaura,Biava, Mariangela,Schenone, Silvia,Botta, Maurizio

, p. 5204 - 5206 (2013/09/02)

A versatile approach for the synthesis of 1,4-disubstituted pyrazolo[3,4-d]pyrimidines has been developed. Starting from commercially available allopurinol, TBAF mediated N1-functionalization and subsequent C4 nucleophilic substitution, under microwave assisted- or standard heating conditions, granted access to highly functionalized pyrazolo[3,4-d]pyrimidines of potential biological interest.

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