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146606-53-3

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146606-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146606-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,6,0 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 146606-53:
(8*1)+(7*4)+(6*6)+(5*6)+(4*0)+(3*6)+(2*5)+(1*3)=133
133 % 10 = 3
So 146606-53-3 is a valid CAS Registry Number.

146606-53-3Relevant articles and documents

SYNTHESIS AND REACTIONS OF SOME NEW 3-AMINO-2-SUBSTITUTED THIENOQUINOLINES

Bakhite, Etify Abdel-Ghafar

, p. 2359 - 2366 (2007/10/02)

Reaction of 3-cyano-quinolin-2(1H)-thione (II) with ω-bromoacetophenones gave 3-amino-2-aroyl-thienoquinolines (IVa - IVd).Whereas, interaction of II with chloroacetanilides yielded the corresponding thioethers Va - Vc which cyclized into 3-amino-2-arylcarbamoylthienequinolines (VIa - VIc) on treatment with ethoxide.Compounds VIa - VIc were reacted with nitrous acid, triethyl orthoformate and carbon disulfide to afford the fused polycyclic compounds VIIa - VIIc, VIIIa - VIIIc, and IXa - IXc, respectively.Also, treatment of IXa - IXc with ethyl iodide gave 3-ethylthio derivatives Xa- Xc.Moreover, refluxing of VIa - VIc with acetic anhydride resulted in the formation of oxazinone XI which recyclized into pyrimidinones XIIIa - XIIIc upon reaction with aromatic amines.

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