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198327-79-6

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198327-79-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198327-79-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,3,2 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 198327-79:
(8*1)+(7*9)+(6*8)+(5*3)+(4*2)+(3*7)+(2*7)+(1*9)=186
186 % 10 = 6
So 198327-79-6 is a valid CAS Registry Number.

198327-79-6Relevant articles and documents

Synthesis of 7,8-dimethoxy-2-oxo-1,3,4,5-tetrahydropyrrolo[4,3,2-de]quinoline: A key intermediate en route to makaluvamines, discorhabdin C and other marine alkaloids of this group via vicarious nucleophilic substitution of hydrogen

Makosza, Mieczyslaw,Stalewski, Jacek,Maslennikova, Olga S.

, p. 1131 - 1133 (1997)

The title compound 1a, a key intermediate in synthesis of an important group of alkaloids, is efficiently prepared via vicarious nucleophilic substitution of hydrogen followed by simple transformations.

On the synthesis of two dimethoxy-1,3,4,5-tetrahydropyrrolo[4,3,2-de]quinoline regioisomers

Chackal, Sarah,Dudouit, Fabienne,Houssin, Raymond,Henichart, Jean-Pierre

, p. 615 - 622 (2007/10/03)

Many marine alkaloids are biologically active products and possess the 1,3,4,5-tetrahydropyrrolo[4,3,2-de]quinoline core as a common feature. This is a report of the synthesis of two of the title molecules with confirmation of their structure.

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