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trans-dihydroxy[5,15-bis(4-pyridyl)-10,20-bis(4-cyanophenyl)porphyrinato]tin(IV) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1289037-84-8

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1289037-84-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289037-84-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,0,3 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1289037-84:
(9*1)+(8*2)+(7*8)+(6*9)+(5*0)+(4*3)+(3*7)+(2*8)+(1*4)=188
188 % 10 = 8
So 1289037-84-8 is a valid CAS Registry Number.

1289037-84-8Relevant academic research and scientific papers

Open and closed states of a porphyrin based molecular turnstile

Lang, Thomas,Graf, Ernest,Kyritsakas, Nathalie,Hosseini, Mir Wais

, p. 3517 - 3523 (2011/07/30)

The molecular turnstile 1 composed of a stator based on an Sn(iv)-porphyrin bearing two sets of monodentate coordinating sites (pyridyl and benzonitrile) and a handle bearing a 2,6-pyridinediamide moiety as a tridentate unit was synthesised. In the absence of metal behaving as a blocking agent, the handle freely rotates around the stator (open state). In the presence of Pd(ii), the closed state of the turnstile 1-Pd resulting from the simultaneous binding of the metal centre by both the dianionic tridentate site and one of the two pyridyl units is generated. The reaction of 1-Pd with the organometallic 2,6-diphenylpyridine Pt(ii) complex 11 leads to the heterotrinuclear (Pt, Sn, Pd) species 13, resulting from the binding of the platinum complex by 1-Pd. The Royal Society of Chemistry 2011.

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