222853-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222853-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,8,5 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 222853-40:
(8*2)+(7*2)+(6*2)+(5*8)+(4*5)+(3*3)+(2*4)+(1*0)=119
119 % 10 = 9
So 222853-40-9 is a valid CAS Registry Number.
222853-40-9Relevant academic research and scientific papers
Synthesis and Study of Coumarin-containing 2-Iminodihydrothiazoles
Yagodinets
, p. 1249 - 1251 (2007/10/03)
Condensation of 3-(thiocyanatoacetyl)coumarins with aniline hydrochloride yields 3,4-disubstituted 2-iminodihydrothiazoles. The latter react with Paraform to give quinazoline derivatives.
