108843-01-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108843-01-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,8,4 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 108843-01:
(8*1)+(7*0)+(6*8)+(5*8)+(4*4)+(3*3)+(2*0)+(1*1)=122
122 % 10 = 2
So 108843-01-2 is a valid CAS Registry Number.
108843-01-2Relevant academic research and scientific papers
Clamped Tolanes
Bauer, Martin,Nieger, Martin,Voegtle, Fritz
, p. 2533 - 2538 (2007/10/02)
The tolanophanes 1, 2 and 3 are prepared by Wittig cyclization reactions.The corresponding "stilbenophanes" 21 and 13 are also isolated.The X-ray structure analysis of 1 revealed a bending of the acetylene triple bond by 11 degrees.Attempts to aim at the
