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89438-68-6

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89438-68-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89438-68-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,3 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89438-68:
(7*8)+(6*9)+(5*4)+(4*3)+(3*8)+(2*6)+(1*8)=186
186 % 10 = 6
So 89438-68-6 is a valid CAS Registry Number.

89438-68-6Downstream Products

89438-68-6Relevant academic research and scientific papers

Optically Active Phosphine Oxides. 2. Novel Approach to Enantiomeric Dialkylphenylphosphine Oxides

Pietrusiewicz, K. Michal,Zablocka, Maria,Monkiewicz, Jaroslaw

, p. 1522 - 1526 (2007/10/02)

New routes to optically active tertiary phosphine oxides of known configuration and of virtually 100percent enantiomeric purity have been developed.Alkylation of (-)-(SP)-ethyl((menthoxycarbonyl)methyl)phenylphosphine oxide (2) by treatment wit

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