108438-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108438-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,4,3 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 108438-42:
(8*1)+(7*0)+(6*8)+(5*4)+(4*3)+(3*8)+(2*4)+(1*2)=122
122 % 10 = 2
So 108438-42-2 is a valid CAS Registry Number.
108438-42-2Relevant articles and documents
Carbonyl Ylide from 3-Chloro-3-p-nitrophenylcarbene and Acetone
Ibata, Toshikazu,Liu, Michael T. H.,Toyoda, Jiro
, p. 4383 - 4386 (2007/10/02)
3-chloro-3-p-nitrophenylcarbene readily reacts with acetone to form carbonyl ylide which undergoes 1,3 cycloaddition with dipolarophiles.
