128806-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128806-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,0 and 6 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128806-27:
(8*1)+(7*2)+(6*8)+(5*8)+(4*0)+(3*6)+(2*2)+(1*7)=139
139 % 10 = 9
So 128806-27-9 is a valid CAS Registry Number.
128806-27-9Relevant articles and documents
Double Differentiation in Asymmetric Methoxyselenenylation of trans-β-Methylstyrene
Tomoda, Shuji,Fujita, Ken-ichi,Iwaoka, Michio
, p. 129 - 131 (2007/10/02)
The effect of double differentiation in the reaction between chirally modified optically active di(2'-N-substituted amido-2-binaphthyl) diselenide and trans-β-methylstyrene has been examined.