121089-44-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121089-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121089-44:
(8*1)+(7*2)+(6*1)+(5*0)+(4*8)+(3*9)+(2*4)+(1*4)=99
99 % 10 = 9
So 121089-44-9 is a valid CAS Registry Number.
121089-44-9Relevant 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.
