103973-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103973-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,9,7 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103973-43:
(8*1)+(7*0)+(6*3)+(5*9)+(4*7)+(3*3)+(2*4)+(1*3)=119
119 % 10 = 9
So 103973-43-9 is a valid CAS Registry Number.
103973-43-9Relevant articles and documents
SUBSTITUENT INFLUENCE ON THE INDOLIZATION WITH PCl3 OF SOME o,m,p-SUBSTITUTED PHENYLHYDRAZONES
Baccolini, Graziano,Marotta, Emanuela
, p. 4615 - 4620 (2007/10/02)
The indolization of deoxybenzoin o,m,p (Me, MeO, Cl), p-NO2 and m-EtO-phenylhydrazones (1) by the above reaction has been examined.All the reactions are carried out at room temperature and high yields of the corresponding indoles (2) are obtained even whe
