104704-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104704-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,0 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 104704-63:
(8*1)+(7*0)+(6*4)+(5*7)+(4*0)+(3*4)+(2*6)+(1*3)=94
94 % 10 = 4
So 104704-63-4 is a valid CAS Registry Number.
104704-63-4Relevant articles and documents
Synthesis of the First Examples of Fully Unsaturated Monocyclic 1,4-Oxazepines
Kurita, Jyoji,Iwata, Kuniyoshi,Tsuchiya, Takashi
, p. 1188 - 1189 (2007/10/02)
Photolysis of the 3-aza-7-oxatricyclo2,5>hept-3-enes (3), prepared from pyridines via five steps, results in ring expension to give the novel 1,4-oxazepines (4).