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1582787-70-9

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1582787-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1582787-70-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,2,7,8 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1582787-70:
(9*1)+(8*5)+(7*8)+(6*2)+(5*7)+(4*8)+(3*7)+(2*7)+(1*0)=219
219 % 10 = 9
So 1582787-70-9 is a valid CAS Registry Number.

1582787-70-9Downstream Products

1582787-70-9Relevant articles and documents

Synthesis of fluorinated aromatic compounds by one-pot benzyne generation and nucleophilic fluorination

Ikawa, Takashi,Masuda, Shigeaki,Nishiyama, Tsuyoshi,Takagi, Akira,Akai, Shuji

, p. 475 - 480 (2014/04/03)

The fluorination of substituted benzenes using fluoride ions under mild reaction conditions has been one of the most important challenges for the synthesis of biologically active fluorinated aromatic compounds; however, only a few synthetically useful methods are known. In this paper, it is reported that the nucleophilic fluorination of benzynes, generated from either 2-(trialkylsilyl)phenyl nonafluorobutanesulfonates or 2-(trialkylsilyl)phenols, meets this challenge. In particular, the fluorination starting from 2-(trialkylsilyl)phenols for fabricating aryl fluorides involves three sequential reactions in one-pot: the nonaflylation of phenols, benzyne generation, and nucleophilic fluorination of the benzynes. The regioselectivities of these reactions are controlled by the substituents at the C3-position of the benzynes. CSIRO 2014.

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