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663611-28-7

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663611-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 663611-28-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,6,1 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 663611-28:
(8*6)+(7*6)+(6*3)+(5*6)+(4*1)+(3*1)+(2*2)+(1*8)=157
157 % 10 = 7
So 663611-28-7 is a valid CAS Registry Number.

663611-28-7Upstream product

663611-28-7Downstream Products

663611-28-7Relevant articles and documents

1,1′-Di(arylamino)ferrocenes. A new family of privileged [N,N] ligands with tunable steric control for applications in homogeneous organometallic catalysis and coordination chemistry

Siemeling,Auch,Kuhnert,Malaun,Kopacka,Bildstein

, p. 1334 - 1336 (2008/10/08)

Fe[(C5H4)NHPh]2 (2a) was prepared from 1,1′-dibromoferrocene and N-phenylacetamide by an Ullmann reaction and subsequent basic solvolysis of the coupling product Fe[(C5H 4)N(COMe)Ph]2 (1a). This solvolysis failed in the case of the bulkier Fe[(C5H4)N(COMe)(2,6-Me2C 6H3)]2 (1b). Fe[(C5H 4)N(2,6-Me2C6H3)]2 (2b) and Fe[(C5H4)N(2,4,6-iPr3C6H 2)]2 (2c) were obtained by Hartwig-Buchwald type cross-coupling of 1,1′-diaminoferrocene with the respective aryl bromide.

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