142109-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142109-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,1,0 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 142109-57:
(8*1)+(7*4)+(6*2)+(5*1)+(4*0)+(3*9)+(2*5)+(1*7)=97
97 % 10 = 7
So 142109-57-7 is a valid CAS Registry Number.
142109-57-7Relevant academic research and scientific papers
'Crowned' Arborols
Nagasaki, Takeshi,Ukon, Masakatsu,Arimori, Susumu,Shinkai, Seiji
, p. 608 - 610 (2007/10/02)
'Crowned' arborols are synthesized for the first time using a convergent method.
