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28544-49-2

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28544-49-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28544-49-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,4 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28544-49:
(7*2)+(6*8)+(5*5)+(4*4)+(3*4)+(2*4)+(1*9)=132
132 % 10 = 2
So 28544-49-2 is a valid CAS Registry Number.

28544-49-2Relevant articles and documents

1, 3-thiazolium-5-thiolates mesoionic compounds: Semiempirical evaluation of their first static hyperpolarizabilities and synthesis of new examples

Lyra, Bruno F.,De Morais, Soraya A.,Rocha, Gerd B.,Miller, Joseph,Moura, Gustavo L.C.,Simas, Alfredo M.,Peppe, Clovis,De Athayde-Filhoa, Petro?nio F.

experimental part, p. 934 - 940 (2010/09/08)

Semiempirical AM1-TDHF calculations of the static first hyperpolarizabilities, β(0), of 1, 3-thiazolium-5-thiolate mesoionic derivatives were performed. Guided by these results, two new mesoionic compounds - 2-(4-nitrophenyl)-3-methyl-4-(methylphenyl)-1,

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