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186089-54-3

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186089-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 186089-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,0,8 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 186089-54:
(8*1)+(7*8)+(6*6)+(5*0)+(4*8)+(3*9)+(2*5)+(1*4)=173
173 % 10 = 3
So 186089-54-3 is a valid CAS Registry Number.

186089-54-3Relevant articles and documents

Intermotecular transfer of an alkenyl group in enamines: Application to synthesis of [b]-fused pyridines

Adachi, Makoto,Sasatani, Takashi,Chomei, Nobuo,Takada, Susumu

, p. 8871 - 8874 (2007/10/03)

A novel intermolecular alkenyl transfer of enamines was developed for the preparation of cycloalkenylaminomethyleneoxazolones, which were thermally cyclized to [b]-fused pyridines in good yields. The functional manipulation of the pyridines provided versatile precursors for further annulation to tricyclic ring systems. Copyright (C) 1996 Elsevier Science Ltd.

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