193196-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193196-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,1,9 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 193196-55:
(8*1)+(7*9)+(6*3)+(5*1)+(4*9)+(3*6)+(2*5)+(1*5)=163
163 % 10 = 3
So 193196-55-3 is a valid CAS Registry Number.
193196-55-3Relevant academic research and scientific papers
Synthesis of new 4-alkylthiazolo[5,4.D] pyrimidine-1-oxides
Youssif, Shaker,Yamamoto, Hiroshi
, p. 227 - 235 (2007/10/03)
6-Chloro-1-methyluracil 1 was treated with various butyl and benzyl mercaptans to give 6-substituted-1-methyluracils 2a-d which were nitrated to yield the corresponding 5-nitro derivatives 3a-d. These were cyclized to 2-substituted-4-methylthiazolo[5,4-d]
