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291297-49-9

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291297-49-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 291297-49-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,2,9 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 291297-49:
(8*2)+(7*9)+(6*1)+(5*2)+(4*9)+(3*7)+(2*4)+(1*9)=169
169 % 10 = 9
So 291297-49-9 is a valid CAS Registry Number.

291297-49-9Downstream Products

291297-49-9Relevant academic research and scientific papers

Synthesis of 2-thioxopyrido[2,3-d]pyrimidine-4-ones and 1,4-bridged bis-2-thioxo-1,2,3,4-tetrahydro-5-pyrimidine carboxylic acid ethyl ester derivatives

Shaker,Mahmoud,Abdel-Latif

, p. 207 - 222 (2000)

The synthesis and structural characterization of 2-thioxopyrido[2,3-d]pyrimidinethiones 5,9,12 and 4,4′-(1,4-phenylene)-di-(2-thioxo-1,2,3,4-tetrahydropyrimidines) 16-22 are described.

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