163729-92-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163729-92-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,7,2 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 163729-92:
(8*1)+(7*6)+(6*3)+(5*7)+(4*2)+(3*9)+(2*9)+(1*2)=158
158 % 10 = 8
So 163729-92-8 is a valid CAS Registry Number.
163729-92-8Relevant articles and documents
Enamine rearrangement of pyridinium salts: Part X - Novel synthesis of indole ring
Etman, H. A.
, p. 285 - 288 (2007/10/02)
β-Nicotyrinium salts (2) undergo ring opening and recyclization reaction when heated with aq. alkyl amine or sodium hydroxide to give indole derivatives (4).