853798-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 853798-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,3,7,9 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 853798-93:
(8*8)+(7*5)+(6*3)+(5*7)+(4*9)+(3*8)+(2*9)+(1*3)=233
233 % 10 = 3
So 853798-93-3 is a valid CAS Registry Number.
853798-93-3Relevant academic research and scientific papers
Asymmetric Synthesis of a Key Camptothecin Intermediate from 2-Fluoropyridine
Comins, Daniel L.,Saha, Jayanta K.
, p. 7995 - 7998 (2007/10/02)
The DE ring camptothecin intermediate II was prepared enantioselectively in six steps from 2-fluoropyridine using a pyridine "halogen-dance" reaction.
