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927800-61-1

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927800-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 927800-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,7,8,0 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 927800-61:
(8*9)+(7*2)+(6*7)+(5*8)+(4*0)+(3*0)+(2*6)+(1*1)=181
181 % 10 = 1
So 927800-61-1 is a valid CAS Registry Number.

927800-61-1Downstream Products

927800-61-1Relevant articles and documents

A concise synthesis of indoloquinoline skeletons applying two consecutive Pd-catalyzed reactions

Bogányi, Borbála,Kámán, Judit

, p. 9512 - 9519 (2013)

The indoloquinoline alkaloids cryptolepine (1), neocryptolepine (2), isocryptolepine (3), and isoneocryptolepine (4) are important tools in traditional medicine. Now, their precursors 1a-4a were synthesized in two steps starting from the corresponding bromo-iodoquinolines. Our strategy is based on palladium-catalyzed reactions, applying regioselective Buchwald-Hartwig amination on 2,3- and 3,4-dihaloquinolines followed by an intramolecular Heck-type reaction. Both steps were carried out under microwave irradiation.

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