83049-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83049-54-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,4 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83049-54:
(7*8)+(6*3)+(5*0)+(4*4)+(3*9)+(2*5)+(1*4)=131
131 % 10 = 1
So 83049-54-1 is a valid CAS Registry Number.
83049-54-1Relevant articles and documents
A SPONTANEOUS RING CLOSURE REACTION AS A NEW ROUTE TO ISOQUINOLINE DERIVATIVES
Andresen, Ole Riis,Pedersen, Erik B.
, p. 1467 - 1471 (2007/10/02)
A spontaneous reaction takes place between benzaldehydes, malononitrile and N-methyl-4-piperidone to yield the compounds 1a-i which can be aromatized to the new dicyano-1,2,3,4-tetrahydroisoquinolinamines 2a-e.Tetrahydro-2,7-naphtyridines 3a,b were also i
