Cas 223668-35-7,1,4-bis(diphenylfluorostannyl)butane

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Check Digit Verification of cas no

The CAS Registry Mumber 223668-35-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,6,6 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 223668-35:
(8*2)+(7*2)+(6*3)+(5*6)+(4*6)+(3*8)+(2*3)+(1*5)=137
137 % 10 = 7
So 223668-35-7 is a valid CAS Registry Number.

223668-35-7Upstream product

223668-35-7Downstream Products

223668-38-0 ((C₆H₅)2(CH₂C(CH₃)3)SnCH₂CH₂)2

223668-35-7Relevant articles and documents

Spacer-bridged ladder compounds - Syntheses, structures and synthetic applications

Mehring, Michael,Schuermann, Markus,Paulus, Ingo,Horn, Dagmar,Jurkschat, Klaus,Orita, Akihiro,Otera, Junzo,Dakternieks, Dainis,Duthie, Andrew

, p. 176 - 192 (1999)

The reaction of α,ω-bis(organodichlorostannyl)alkanes [R(Cl2)SnCH2]2Z with their corresponding organotin oxides [R(O)SnCH2]2Z or (t-Bu2SnO)3 provides the new spacer-bridged tetra

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223668-35-7