263413-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263413-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,4,1 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 263413-42:
(8*2)+(7*6)+(6*3)+(5*4)+(4*1)+(3*3)+(2*4)+(1*2)=119
119 % 10 = 9
So 263413-42-9 is a valid CAS Registry Number.
263413-42-9Relevant articles and documents
Synthesis of fused thiopyrans and pyridines on the base of six-membered saturated cyclic ketones
Paronikyan,Noravyan
, p. 799 - 803 (1999)
New heterocyclic systems consisting of condensed thiopyrans and several condensed pyridines based on them are synthesized. Opening of the tetrahydropyridine ring in substituted 2,7-naphthyridine is studied. 1999 KluwerAcademic/Plenum Publishers.
