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132114-06-8

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132114-06-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132114-06-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,1,1 and 4 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 132114-06:
(8*1)+(7*3)+(6*2)+(5*1)+(4*1)+(3*4)+(2*0)+(1*6)=68
68 % 10 = 8
So 132114-06-8 is a valid CAS Registry Number.

132114-06-8Relevant articles and documents

The synthesis of ascididemin

Moody, Christopher J.,Rees, Charles W.,Thomas, Robert

, p. 3589 - 3602 (2007/10/02)

A short synthsis of the pentacyclic marine alkaloid ascididemin 1 (four steps, 21% yield) from 1,10-phenanthroline 16 is described. The key step, photocyclisation of the quinoneimine 14 in sulphuric acid, is the first such aza stilbene photocyclisation of a quinoneimine. Intermediate 14 is prepared in a single, but low yielding, step from the quinone 4 in an aza Wadsworth-Emmons reaction, or in much better yield from the epoxide 17 by treatment with 2- iodoaniline and triethylaluminium, followed by oxidation with barium manganate.

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