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105688-83-3

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105688-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105688-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,6,8 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 105688-83:
(8*1)+(7*0)+(6*5)+(5*6)+(4*8)+(3*8)+(2*8)+(1*3)=143
143 % 10 = 3
So 105688-83-3 is a valid CAS Registry Number.

105688-83-3Downstream Products

105688-83-3Relevant articles and documents

PREPARATION OF 3-SUBSTITUTED QUINOLINES. II. PREPARATION AND CYCLODEHYDRATION OF α-ALKYL- AND α-PHENYL-β-ARYLAMINOACROLEIN DERIVATIVES

Todoriki, Reiko,Ono, Machiko,Tamura, Shinzo

, p. 755 - 769 (2007/10/02)

α-Methyl-β-arylaminoacroleins were prepared by the hydrolysis of 2-methyl-1-arylamino-3-arylimino-1-propene derivatives. α-Ethyl- and α-phenyl-β-arylaminoacroleins were prepared by the reaction of arylamine and 2-substituted 1,1,3,3-tetraethoxypropane derivatives. 3-Methyl, 3-ethyl- and 3-phenylquinolines were obtained from α-methyl-, α-ethyl and α-phenyl-β-arylaminoacroleins on heating with aluminum bromide in good yields. α-Bromo-β-anilinoacrolein (9b) was prepared by the reaction of β-anilinoacrolein (6b) and N-bromosuccinimide.Reaction of 9b and aluminum bromide did not afford 3-bromoquinoline.

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