152171-27-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 152171-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,1,7 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 152171-27:
(8*1)+(7*5)+(6*2)+(5*1)+(4*7)+(3*1)+(2*2)+(1*7)=102
102 % 10 = 2
So 152171-27-2 is a valid CAS Registry Number.
152171-27-2Relevant articles and documents
A direct and versatile synthesis of 5-(2-di-n-propylamino-ethyl)-7-methoxyindole
Gourdoupis,Stamos
, p. 2241 - 2249 (2007/10/02)
The Pummerer intermediate generated from 10 with TFAA was trapped intermolecularly in the presence of Lewis acid by the indoline 2 at position 5. Sequential treatment of the resulted compound 3 with Ra-Ni, LiAlH4 and active MnO2 gave compound 6 in high overall yield.