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173465-34-4

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173465-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173465-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,4,6 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 173465-34:
(8*1)+(7*7)+(6*3)+(5*4)+(4*6)+(3*5)+(2*3)+(1*4)=144
144 % 10 = 4
So 173465-34-4 is a valid CAS Registry Number.

173465-34-4Downstream Products

173465-34-4Relevant articles and documents

Intramolecular cycloadditions with 1-aminoisobenzofurans: a simple entry into the field of polycyclic aza-compounds

Peters, Olaf,Debaerdemaeker, Tony,Friedrichsen, Willy

, p. 59 - 70 (2007/10/03)

Starting with 6-methoxyisochromane-1,3-dione (1) isobenzofuran 5 was generated in situ using the Hamaguchi-Ibata methodology. Intramolecular cycloaddition with subsequent transformations provides benzoquinolines of type 7, 8 and 9. In a similar manner 11-azasteroid analogues (22-26) were obtained, starting with 1 and amine 18. Density functional theoretical (DFT) studies of various inter- and intramolecular Diels-Alder reactions are reported.

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