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338457-43-5

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338457-43-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 338457-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,4,5 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 338457-43:
(8*3)+(7*3)+(6*8)+(5*4)+(4*5)+(3*7)+(2*4)+(1*3)=165
165 % 10 = 5
So 338457-43-5 is a valid CAS Registry Number.

338457-43-5Downstream Products

338457-43-5Relevant articles and documents

Substituted 5-benzyl-2,4-diaminopyrimidines

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Page column 108, (2010/02/09)

The invention relates to substituted 5-benzyl-2,4-diaminopyrimidines of general formula (A) wherein R1is C2-C3 alkyl an R2is heterocyclyl, phenyl or naphthyl, bonded by one of its C-atoms and R3is C2-C6 alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, heterocyclylalkyl, alkylsulfonyl, cycloalkylsulfonyl, cycloalkylalkylsulfamoyl, heterocyclysylfonyl, heterocyclylalkylsulfonyl or dialkylsulfamoyl; wherein alkyl, cycloalkyl and alyenyl can carry up to 6 carbon atoms alone or in compositions and can carry up to 6 ring members heterocyclically, alone, or in compositions and the groups R2and R3can be substituted; and to acid addition salts of compounds. The invention also relates to a method for producing the above 5-benzyl-2,4-diaminopyrimidines, to the intermediate. products that are produced, to corresponding medicaments and to the use of 5-benzyl-2,4-diaminopyrimidines as medicinal preparations. The products have antibiotic properties and are useful for combating or preventing infectious diseases.

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