152171-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 152171-30-7 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, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 152171-30:
(8*1)+(7*5)+(6*2)+(5*1)+(4*7)+(3*1)+(2*3)+(1*0)=97
97 % 10 = 7
So 152171-30-7 is a valid CAS Registry Number.
152171-30-7Relevant articles and documents
A direct and versatile synthesis of 5-(2-di-n-propylamino-ethyl)-7-methoxyindole
Gourdoupis,Stamos
, p. 2241 - 2249 (1993)
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.