143427-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143427-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,4,2 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143427-50:
(8*1)+(7*4)+(6*3)+(5*4)+(4*2)+(3*7)+(2*5)+(1*0)=113
113 % 10 = 3
So 143427-50-3 is a valid CAS Registry Number.
143427-50-3Relevant articles and documents
Iodide-promoted aldiminium ionalkyne cyclizations. A convenient synthesis of substituted tetrahydropyridines and 3-alkylidenepiperidines
Overman, Larry E.,Sarkar, Achintya K.
, p. 4103 - 4106 (1992)
Iodide-promoted cyclizations of aldehydes with 4-alkynylamines and 3-alkynylamines provide direct synthetic access to alkylidenepiperidines 4 and tetrahydropyridines 8, respectively.