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891202-70-3

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891202-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 891202-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,1,2,0 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 891202-70:
(8*8)+(7*9)+(6*1)+(5*2)+(4*0)+(3*2)+(2*7)+(1*0)=163
163 % 10 = 3
So 891202-70-3 is a valid CAS Registry Number.

891202-70-3Downstream Products

891202-70-3Relevant articles and documents

Synthesis and?biological activity of?6H-isoindolo[2,1-a]indol-6-ones, analogues of?batracylin, and?related compounds

Guillaumel, Jean,Léonce, Stéphane,Pierré, Alain,Renard, Pierre,Pfeiffer, Bruno,Arimondo, Paola B.,Monneret, Claude

, p. 379 - 386 (2006)

Closely related to batracylin, 6H-isoindolo[2,1-a]indol-6-ones including 2-nitro- 13a, 2-amino- 14, and 2-diethylaminopropionamide derivative 16 as well as D-ring substituted 13b, 13c or A-ring substituted 13d and 20 analogues, were synthesised and evaluated against L1210 leukaemia. Subsequent treatment of 13b and 13c with N,N-diethylethylenediamine at 180?°C, led to compounds 17a and 17b arising from an unexpected opening of the pyrrolidinone ring and amidification of the keto group. Under the same conditions, the dichloro derivative 13d led to the monoalkyl compound 20 which was the most cytotoxic of the series.

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