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220648-67-9

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220648-67-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220648-67-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,6,4 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220648-67:
(8*2)+(7*2)+(6*0)+(5*6)+(4*4)+(3*8)+(2*6)+(1*7)=119
119 % 10 = 9
So 220648-67-9 is a valid CAS Registry Number.

220648-67-9Downstream Products

220648-67-9Relevant academic research and scientific papers

Enantioselective addition of dialkylzinc to aldehydes catalyzed by (S)- 2-(N,N-disubstituted aminomethyl)indoline

Asami, Masatoshi,Watanabe, Hiroyasu,Honda, Kiyoshi,Inoue, Seiichi

, p. 4165 - 4173 (2007/10/03)

Chirai di- or triamines, (S)-2-(N,N-disubstituted aminomethyl)indoline 1a-d, derived from (S)-indoline-2-carboxylic acid were efficient chiral catalysts for the enantioselective addition of dialkylzincs to aldehydes. The best results were obtained by empl

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