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69467-92-1

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69467-92-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69467-92-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,4,6 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 69467-92:
(7*6)+(6*9)+(5*4)+(4*6)+(3*7)+(2*9)+(1*2)=181
181 % 10 = 1
So 69467-92-1 is a valid CAS Registry Number.

69467-92-1Downstream Products

69467-92-1Relevant articles and documents

A short synthesis of 9-fluoroellipticine from 5-fluoroindole?

Davis, Deborah A.,Gribble, Gordon W.

, p. 422 - 430 (2019/07/31)

A synthesis of 9-fluoroellipticine (1c) from 5-fluoroindole (6) is described that features the regioselective lithiation of 5-fluoro-1-(phenylsulfonyl)indole (7) followed by chemoselective acylation of 3,4-pyridinedicarboxylic anhydride. Subsequent cyclization of keto acid 9 to keto lactam 10 with acetic anhydride and sequential treatment of 10 with methyllithium and sodium borohydride affords 9-fluoroellipticine.

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