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1197908-66-9

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1197908-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1197908-66-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,9,0 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1197908-66:
(9*1)+(8*1)+(7*9)+(6*7)+(5*9)+(4*0)+(3*8)+(2*6)+(1*6)=209
209 % 10 = 9
So 1197908-66-9 is a valid CAS Registry Number.

1197908-66-9Relevant articles and documents

Studies on the chemistry of 2-[3-(2-nitrophenyl)-2-oxopropyl]benzaldehydes: Novel syntheses of 5h-benzo[b]carbazole-6,11-diones and indolo[1,2-b] isoquinoline-6,11-diones

Fernandez, Marcos

experimental part, p. 3051 - 3060 (2009/12/29)

Syntheses of 5H-benzo[b]carbazole-6,11-diones and indolo[1,2-b] isoquinoline-6,11-diones are described. Both compounds are synthesized from 2-[3-(2-nitrophenyl)-2-oxopropyl]benzaldehydes, which were obtained from commercially available indan-1-ones in six

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