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(6-benzyl-2-chloro-4-oxo-5,6,7,8-tetrahydro-4H-pyrido[4,3-d]pyrimidin-3-yl)-acetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

332097-95-7

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332097-95-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 332097-95-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,2,0,9 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 332097-95:
(8*3)+(7*3)+(6*2)+(5*0)+(4*9)+(3*7)+(2*9)+(1*5)=137
137 % 10 = 7
So 332097-95-7 is a valid CAS Registry Number.

332097-95-7Downstream Products

332097-95-7Relevant academic research and scientific papers

Synthesis and transformations of pyrido[4,3-d]-pyrimidines with N-heterocycles moieties

Shaifullah Chowdhury,Shibata, Yasuyuki

, p. 115 - 125 (2007/10/03)

ortho-Amino ester (1) was cyclized to fused pyrimidines by reacting with isocyanate, isothiocyanate, or dithioketal reagent. Thioxo compound (2a) was halogenated, methylated and subsequently displaced by amines. ortho-Amino ester (1) was also converted into directly tricyclic azolopyrido[4,3-d]pyrimidines (8-13).

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