Cas 898539-92-9,3-Buten-2-one, 4-[(4-acetylphenyl)amino]-4-ethoxy-1,1,1-trifluoro-, (3E)-

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Check Digit Verification of cas no

The CAS Registry Mumber 898539-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,8,5,3 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 898539-92:
(8*8)+(7*9)+(6*8)+(5*5)+(4*3)+(3*9)+(2*9)+(1*2)=259
259 % 10 = 9
So 898539-92-9 is a valid CAS Registry Number.

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898539-92-9Relevant academic research and scientific papers

Synthesis of novel 3-amino-5-trifluoromethylazoles: A convenient method of obtaining N-(azol-3-yl)amines

Martins, Marcos A. P.,Cunico, Wilson,Brondani, Sergio,Peres, Rodrigo L.,Zimmermann, Nilo,Rosa, Fernanda A.,Fiss, Gabriela F.,Zanatta, Nilo,Bonacorso, Helio G.

, p. 1485 - 1493 (2007/10/03)

A convenient method to obtain 10 3-amino-5-trifluoromethyl-5-hydroxy-4,5- dihydroisoxazoles and 18 3-amino-5-trifluoromethyl-1H-pyrazoles by cyclocondensation reaction of 4-amino-4-ethoxy-1,1,1,-trifluorobut-3-en-2-ones [CF3COCH=C(OEt)NHR, wher

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