82217-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82217-97-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,2,1 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82217-97:
(7*8)+(6*2)+(5*2)+(4*1)+(3*7)+(2*9)+(1*7)=128
128 % 10 = 8
So 82217-97-8 is a valid CAS Registry Number.
82217-97-8Relevant articles and documents
Azonia-azulene Salts. Part 5. Synthesis of 5H-Pyrroloazepine and of 7H-Pyrroloazepin-7-one
Jones, Gurnos,Radley, Peter M.
, p. 1123 - 1130 (2007/10/02)
The synthesis of (Z)- and (E)-1-azido-1,4-diphenylbut-1-ene (6a and b) is described, and their thermal decomposition.The synthesis of 5H-pyrroloazepine (2) and of 7H-pyrroloazepin-7-one (3) via the common dihydroazepinone intermediate (11) i