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152904-42-2

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152904-42-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 152904-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,9,0 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 152904-42:
(8*1)+(7*5)+(6*2)+(5*9)+(4*0)+(3*4)+(2*4)+(1*2)=122
122 % 10 = 2
So 152904-42-2 is a valid CAS Registry Number.

152904-42-2Relevant articles and documents

Convenient one-pot synthesis of N3-substituted pyrido[2,3-d]-, pyrido[3,4-d]-, pyrido[4,3-d]-pyrimidin-4(3H)-ones, and quinazolin-4(3H)-ones analogs

Deau, Emmanuel,Hédou, Damien,Chosson, Elizabeth,Levacher, Vincent,Besson, Thierry

, p. 3518 - 3521 (2013/07/05)

A convenient microwave-assisted one-pot sequential synthesis provided access to novel pyridopyrimidin-4-(3H)-ones in good to excellent yields. Anthranilic acid, 2- and 4-aminonicotinic acids, and 3-aminoisonicotinic acid were quantitatively converted into

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