1448863-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1448863-45-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,8,8,6 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1448863-45:
(9*1)+(8*4)+(7*4)+(6*8)+(5*8)+(4*6)+(3*3)+(2*4)+(1*5)=203
203 % 10 = 3
So 1448863-45-3 is a valid CAS Registry Number.
1448863-45-3Relevant articles and documents
Dihydropyridazine derivatives with cyclopenta-, benzo-, furo-, thiopyrano-and pyrido-annulation
Penning, Miriam,Christoffers, Jens
, p. 389 - 400 (2013)
Regioisomeric [c]annulated pyridazines were prepared from arylhydrazines and carbocyclic or heterocyclic β-oxo esters with an α-phenacetyl moiety. With AcOH/EtOH, the hydrazones were preferentially formed at the endocyclic ketone, which are further cycliz
