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684250-07-5

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684250-07-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 684250-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,4,2,5 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 684250-07:
(8*6)+(7*8)+(6*4)+(5*2)+(4*5)+(3*0)+(2*0)+(1*7)=165
165 % 10 = 5
So 684250-07-5 is a valid CAS Registry Number.

684250-07-5Relevant articles and documents

Gold(III)-catalyzed annulation of 2-alkynylanilines: A mild and efficient synthesis of indoles and 3-haloindoles

Arcadi, Antonio,Bianchi, Gabriele,Marinelli, Fabio

, p. 610 - 618 (2007/10/03)

Gold(III)-catalyzed annulation of 2-alkynylanilines in EtOH or EtOH-water mixtures at room temperature gives indoles derivatives in good yields. One-flask protocol for the gold-catalyzed conversion of 2-alkynylanilines to 3-bromo and 3-iodoindoles is also reported.

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