Cas 1246789-28-5,C17H32BO3PS

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Check Digit Verification of cas no

The CAS Registry Mumber 1246789-28-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,7,8 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1246789-28:
(9*1)+(8*2)+(7*4)+(6*6)+(5*7)+(4*8)+(3*9)+(2*2)+(1*8)=195
195 % 10 = 5
So 1246789-28-5 is a valid CAS Registry Number.

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1246789-28-5Relevant academic research and scientific papers

Improved synthetic routes to methylene-bridged P-chiral diphosphine ligands via secondary phosphine-boranes

Imamoto, Tsuneo,Tamura, Ken,Ogura, Tomokazu,Ikematsu, Yui,Mayama, Daisuke,Sugiya, Masashi

, p. 1522 - 1528 (2010)

Improved methods for the preparation of methylene-bridged diphosphine ligands are described. Both enantiomers of the key intermediate tert-butylmethylphosphine-borane were prepared via resolution or by the conversion of one enantiomer into the opposite en

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