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204719-49-3

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204719-49-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 204719-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,7,1 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 204719-49:
(8*2)+(7*0)+(6*4)+(5*7)+(4*1)+(3*9)+(2*4)+(1*9)=123
123 % 10 = 3
So 204719-49-3 is a valid CAS Registry Number.

204719-49-3Downstream Products

204719-49-3Relevant articles and documents

Platinum(0) complexes of chiral diphosphines: Enantioface-selective binding of trans-stilbene

Wicht, Denyce K.,Zhuravel, Michael A.,Gregush, Ronald V.,Glueck, David S.,Guzei, Ilia A.,Liable-Sands, Louise M.,Rheingold, Arnold L.

, p. 1412 - 1419 (2008/10/08)

The zerovalent complexes Pt(diphos)(trans-stilbene) (diphos = dppe, dppf, (S,S)-Chiraphos, R-Tol-Binap, (R,R)-Me-Duphos, (S,S)-Diop) were prepared by reduction of the corresponding Pt(diphos)Cl2 compounds. NMR and crystal structure data show that the trans-stilbene complexes with chiral diphosphines exist as a mixture of diastereomers differing in their binding of the enantiofaces of the prochiral olefin; for R-Tol-Binap, they can be separated by recrystallization. The complexes Pt((R,R)-Me-Duphos)Cl2 and Pt(diphos)(trans-stilbene) (diphos = dppf, (S,S)-Chiraphos, R-Tol-Binap, (S,S)-Diop) were structurally characterized by X-ray crystallography.

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