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57234-09-0

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57234-09-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57234-09-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,3 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57234-09:
(7*5)+(6*7)+(5*2)+(4*3)+(3*4)+(2*0)+(1*9)=120
120 % 10 = 0
So 57234-09-0 is a valid CAS Registry Number.

57234-09-0Downstream Products

57234-09-0Relevant articles and documents

Polyaza-Cavity Shaped Molecules. 14. Annelated 2-(2'-Pyridyl)indoles, 2,2'-Biindoles, and Related Systems

Thummel, Randolph P.,Hedge Vidyadhar

, p. 1720 - 1725 (2007/10/02)

The Fisher indole synthesis has been employed with a series of α-keto-2,3-cycloalkenopyridines to provide 3,3'-polymethylene bridged derivatives of 2-(2'-pyridyl)indole.The same reaction with α,α'-diketodicycloalkenopyridines provides bis-annelat

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