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583878-45-9

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583878-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 583878-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,8,3,8,7 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 583878-45:
(8*5)+(7*8)+(6*3)+(5*8)+(4*7)+(3*8)+(2*4)+(1*5)=219
219 % 10 = 9
So 583878-45-9 is a valid CAS Registry Number.

583878-45-9Relevant articles and documents

Solid-phase synthesis of pyrido[2,3-d]pyrimidin-7-ones

Angiolini, Mauro,Bassini, Domenico Fusar,Gude, Markus,Menichincheri, Maria

, p. 8749 - 8752 (2007/10/03)

A novel solid-phase method for the synthesis of 4-methyl-pyrido[2,3-d] pyrimidin-7-one compounds with two diversity points is described. The polymer supported methylsulfonyl derivatives A3, achieved by coupling compound G with different resin-bound amines A1 followed by oxidation with MCPBA, are substituted with several amines R1R2NH. Final cleavage affords 126 compounds having formula H in good yield and purity.

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