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148807-09-4

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148807-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148807-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,8,0 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 148807-09:
(8*1)+(7*4)+(6*8)+(5*8)+(4*0)+(3*7)+(2*0)+(1*9)=154
154 % 10 = 4
So 148807-09-4 is a valid CAS Registry Number.

148807-09-4Relevant articles and documents

Polykis(pyrazol-1-yl)benzenes: preparation, structure, and complexation with copper and palladium

Ivashchuk, Olga,Sorokin, Vladimir I.

experimental part, p. 4652 - 4658 (2009/10/02)

A series of polykis(pyrazol-1-yl)benzenes, potential chelating ligands for transition metals, have been prepared by nucleophilic substitution of fluorine in 1,2-difluoro-, 1,2,3,4-tetrafluoro-, 1,2,4,5-tetrafluoro-, and hexafluorobenzenes. The observed su

REACTION OF DIAZOLE ANIONS WITH HEXAFLUOROBENZENE: AN UNEXPECTEDLY FACILE ENTRY INTO HEXA(DIAZOL-1-YL)-BENZENES

Henrie, Robert N.,Yeager, Walter H.

, p. 415 - 426 (2007/10/02)

Diazole anions react with hexafluorobenzene to give hexa(diazol-1-yl)benzenes in excellent yield, even with unfavorable reaction stoichiometries.In contrast, pyrrole anions predominantly or exclusively 1,4-disubstituted products.This novel hexasubstitution reaction is discussed in terms of an SRN1 mechanism.

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