193466-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193466-57-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,4,6 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 193466-57:
(8*1)+(7*9)+(6*3)+(5*4)+(4*6)+(3*6)+(2*5)+(1*7)=168
168 % 10 = 8
So 193466-57-8 is a valid CAS Registry Number.
193466-57-8Relevant academic research and scientific papers
A new approach to 5-hydroxyindoles from 1,4-cyclohexanedione
Ozaki, Yutaka,Okamura, Kyouko,Hosoya, Ayako,Kim, Sang-Won
, p. 679 - 680 (2007/10/03)
Several kinds of 2-substituted 5-hydroxyindoles were prepared by the procedure starting from the condensation of 1,4-cyclohexanedione with N-protected α-amino aldehydes in the presence of lithium chloride. The substitutent on 2-position of the indole ring
