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(6aR,11aS)-5-Methyl-6a,11a-dihydro-5H-11-oxa-5-aza-benzo[a]fluoren-6-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77128-27-9

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77128-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77128-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,2 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77128-27:
(7*7)+(6*7)+(5*1)+(4*2)+(3*8)+(2*2)+(1*7)=139
139 % 10 = 9
So 77128-27-9 is a valid CAS Registry Number.

77128-27-9Relevant academic research and scientific papers

PHOTOCYCLIZATION OF BENZOFURANCARBOXANILIDES. PHOTOREARRANGEMENT OF THE BENZODIHYDROFURAN SYSTEM TO 3-o-HYDROXYPHENYLQUINOLONES

Kanaoka, Yuichi,San-nohe, Kunio

, p. 3893 - 3896 (2007/10/02)

cis-Dihydrobenzofuroquinolone (4a) and cis-dihydrobenzofuroquinolone (5) undergo photorearrangement, characteristic to the benzodihydrofuran system, leading to 3-o-hydroxyphenylquinolone (6).A plausible mechanism involving a cyclopropyl dienone (12) was discussed.

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