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55978-89-7

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55978-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55978-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,7 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55978-89:
(7*5)+(6*5)+(5*9)+(4*7)+(3*8)+(2*8)+(1*9)=187
187 % 10 = 7
So 55978-89-7 is a valid CAS Registry Number.

55978-89-7 Well-known Company Product Price

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  • Aldrich

  • (766267)  Chlorotris(triphenylphosphine)ruthenium(II) acetate  97%

  • 55978-89-7

  • 766267-500MG

  • 656.37CNY

  • Detail
  • Aldrich

  • (766267)  Chlorotris(triphenylphosphine)ruthenium(II) acetate  97%

  • 55978-89-7

  • 766267-2G

  • 2,129.40CNY

  • Detail

55978-89-7Relevant articles and documents

Preparation of RuCH2PMe2(PMe3)3Cl, Ru(CH2PMe2)2(PMe3)2, and Rh2(CH2PMe2)2(PMe3) 4 and their reactions with hydrogen

Mainz, Vera V.,Andersen, Richard A.

, p. 675 - 678 (1984)

The cis-Ru(O2CMe)Cl(PMe3)4, prepared by phosphine exchange on Ru(O2CMe)Cl(PPh3)3, reacts with 1 or 2 molar equiv of LiN(SiMe3)2 to give the metallacycle Ru(CH2PMe2)Cl(PMe3)3. The metallacycle reacts with hydrogen to give cis-RuHCl(PMe3)4. The cis-Ru(O2CMe)2(PMe3)4, prepared by phosphine exchange on Ru(O2CMe)2(PPh3)2, reacts with 2 molar equiv of LiN(SiMe3)2 to give the spirocycle Ru(CH2PMe2)2(PMe3)2. The spirocycle reacts with hydrogen to give cis-RuH2(PMe3)4. The cation [Rh(PMe3)4][O2CMe], prepared by phosphine exchange on Rh(O2CMe)(PPh3)3, reacts with LiN(SiMe3)2 to give the dimeric Rh2(CH2PMe2)2(PMe3) 4. The latter reacts with hydrogen to give fac-RhH3(PMe3)3. Thus, LiN(SiMe3)2 acts as a strong base rather than a nucleophile in these reactions.

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