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19471-47-7

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19471-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19471-47-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,7 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19471-47:
(7*1)+(6*9)+(5*4)+(4*7)+(3*1)+(2*4)+(1*7)=127
127 % 10 = 7
So 19471-47-7 is a valid CAS Registry Number.

19471-47-7Upstream product

19471-47-7Relevant academic research and scientific papers

Cyclic Platina(borasiloxane)s and Platina(siloxane)s and Their Chemical Properties

Noda, Hiroki,Tanaka, Kimiya,Tanabe, Makoto,Osakada, Kohtaro

, p. 22 - 29 (2018/01/17)

[Pt(SiHPh2)2(dmpe)] (dmpe = 1,2-bis(dimethylphosphino)ethane) reacts with arylboronic acids to produce six-membered platinacycles [Pt(SiPh2-O-BAr-O-SiPh2)(dmpe)] (Ar = C6H4-4-COMe (1a), C6H4-4-CF3 (1b)). X-ray crystallography of 1a revealed the structure having a planar six-membered ring, composed of Pt, O, B, and Si atoms. Reaction of H2O with [Pt(SiHPh2)2(dmpe)] formed a four-membered cyclic complex, [Pt(SiPh2-O-SiPh2)(dmpe)] (2), which was observed in the initial reaction mixture of 4-acetylphenylboronic acid with [Pt(SiHPh2)2(dmpe)]. Exposure of solutions of [Pt(SiHPh2)2(dmpe)] and of [Pt(SiHAr2)2(PMe3)2] (Ar = Ph, C6H4-4-Me) to air resulted in the formation of the cyclic platina(siloxane)s, [Pt(O-SiPh2-O-SiPh2-O)(dmpe)] (3) and [Pt(O-SiAr2-O-SiAr2-O)(PMe3)2] (4: Ar = Ph; 5: Ar = C6H4-4-Me), respectively. The six-membered platina(borasiloxane) 1a reacts with H2GePh2 and with CF3CO2H to release the cyclic borasiloxanes as the products. The former reaction affords [Pt(GeHPh2)2(dmpe)], while the latter produces [Pt(OCOCF3)2(dmpe)] as the Pt-containing products. A similar reaction of HCl with platina(siloxane) 4 gives a disiloxanediol via cleavage of the Pt-O bonds. Complex 4 reacts with H2SiPh2 to form a triplatinum complex, [{Pt(PMe3)}3(μ-SiPh2)3] (15), which is obtained under milder conditions than the previously reported reaction starting from [Pt(SiHPh2)2(PMe3)2].

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