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127928-56-7

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127928-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127928-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,2 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 127928-56:
(8*1)+(7*2)+(6*7)+(5*9)+(4*2)+(3*8)+(2*5)+(1*6)=157
157 % 10 = 7
So 127928-56-7 is a valid CAS Registry Number.

127928-56-7Downstream Products

127928-56-7Relevant articles and documents

Novel halogen-containing ester compounds, and their intermediates, and method of producing the same as well as liquid crystal compositions containing the same and light switching elements

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, (2008/06/13)

This invention provides a novel halogen-containing ester compound represented by the following general formula (I): STR1 (wherein R is an alkyl group, A is selected from a single bond, --O--, --COO-- and --CO--, both of X and Y are halogen atoms or either one of X and Y is a halogen atom and the other is a hydrogen atom, each of m and n is 0 or 1, m+n=0 or 1, each of k and l is an integer of 1 or more, provide kl), a liquid crystal composition and a light switching element each containing the above compound as well as a novel fluorophenol compound represented by the following general formula (II): STR2 (wherein each of k and l is an integer of 1 or more, provided kl) as an intermediate for the synthesis of the above ester compound and a method of producing the same.

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