53844-17-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53844-17-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,4 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 53844-17:
(7*5)+(6*3)+(5*8)+(4*4)+(3*4)+(2*1)+(1*7)=130
130 % 10 = 0
So 53844-17-0 is a valid CAS Registry Number.
53844-17-0Relevant articles and documents
The preparation of some thiochroman-3-ones and derivatives
Clark, Peter D.,McKinnon, David M.
, p. 243 - 248 (2007/10/02)
The use of 2,3-dihydrobenzothiophene-2,3-dione as a source of 2-mercaptophenylacetic acid permits a convenient preparation of 2-carboxymethylthiophenylacetic acid or derivatives.These undergo a Dieckmann cyclization to 3-acetoxybenzothiopyrans, which m
