156840-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156840-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,8,4 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156840-57:
(8*1)+(7*5)+(6*6)+(5*8)+(4*4)+(3*0)+(2*5)+(1*7)=152
152 % 10 = 2
So 156840-57-2 is a valid CAS Registry Number.
156840-57-2Relevant articles and documents
8-Piperazinyl-2,3-dihydro-1,4-dioxinopyridine Derivatives: Synthesis and Interaction with 5-HT Serotonin Binding Sites
Joseph, Benoit,Benarab, Abdelhakim,Guillaumet, Gerald
, p. 1355 - 1360 (2007/10/02)
The synthesis of 8-piperazinyl-2,3-dihydro-1,4-dioxinopyridine derivatives (6a-c) are described.Their affinity and selectivity for 5-HT serotoninergic sites were evaluated.