144141-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144141-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,1,4 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 144141-34:
(8*1)+(7*4)+(6*4)+(5*1)+(4*4)+(3*1)+(2*3)+(1*4)=94
94 % 10 = 4
So 144141-34-4 is a valid CAS Registry Number.
144141-34-4Relevant articles and documents
Synthesis and N-Substitution of an Uncommon Heterocyclic System: OxazoloPyridin-2(1H)-One
Flouzat, Christine,Blanchet, Maryline,Guillaumet, Gerald
, p. 4571 - 4574 (2007/10/02)
Oxazolopyridin-2(1H)-one 2 can be obtained in a one-step procedure.Its reactivity towards nucleophiles and alkylation to nitrogen are described. Key words: oxazolopyridin-2(1H)-one; N-substituted oxazolopyridin-2(1H)-ones; triphosgene.
