127143-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127143-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,1,4 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 127143-20:
(8*1)+(7*2)+(6*7)+(5*1)+(4*4)+(3*3)+(2*2)+(1*0)=98
98 % 10 = 8
So 127143-20-8 is a valid CAS Registry Number.
127143-20-8Relevant articles and documents
An expedient synthesis of β-chloro-β-nitroolefin derivatives
Kim, Jae Nyoung,Son, Ji Suk,Lee, Hong Jung,Jung, Keum Shin
, p. 1885 - 1891 (2007/10/03)
β-Chloro-β-nitroolefin derivatives 2 were prepared from the reaction of β-nitroolefins 1 with HCl/DMF/Oxone system in moderate to good yields.