105492-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105492-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,4,9 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 105492-20:
(8*1)+(7*0)+(6*5)+(5*4)+(4*9)+(3*2)+(2*2)+(1*0)=104
104 % 10 = 4
So 105492-20-4 is a valid CAS Registry Number.
105492-20-4Relevant articles and documents
Synthesis of Substituted 7H-INdoloisoquinolines
Hiremath, Shiva Yogi P.,Badami, Prema S.,Purohit, Muralidhar G.
, p. 1235 - 1238 (2007/10/02)
Various substituted ethyl 3-phenylindole-2-carbamates (4a-f) have been synthesised through the intermediacy of carboxyhydrazides (2a-f) and carboxyazides (3a-f) and converted into 5,6-dihydro-7H-indoloisoquinolin-5(6H)-ones (5a-f) by refluxing in d