153231-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153231-43-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,2,3 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 153231-43:
(8*1)+(7*5)+(6*3)+(5*2)+(4*3)+(3*1)+(2*4)+(1*3)=97
97 % 10 = 7
So 153231-43-7 is a valid CAS Registry Number.
153231-43-7Relevant articles and documents
Indole Alkaloids, II. - Synthesis of 4-Amino-tetrahydrocarbazol-1-one Derivatives
Patir, Sueleyman,Goetz, Peter H.
, p. 1323 - 1326 (2007/10/02)
Treatment of 1,2,3,4-tetrahydrocarbazol-1-one with 1,2-ethanedithiol gave the tetrahydrocarbazole 2 which was oxidized with DDQ to compound 3.It was converted into the imine 6 by treatment with n-butylamine and ZnCl2.The imine was directly reduced with Na
