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859046-57-4

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859046-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 859046-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,0,4 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 859046-57:
(8*8)+(7*5)+(6*9)+(5*0)+(4*4)+(3*6)+(2*5)+(1*7)=204
204 % 10 = 4
So 859046-57-4 is a valid CAS Registry Number.

859046-57-4Upstream product

859046-57-4Downstream Products

859046-57-4Relevant articles and documents

METHOD OF RECOVERING LACTIDE FROM POLYLACTIC ACID OR DERIVATIVE THEREOF

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Page/Page column 8, (2008/06/13)

To provide an efficient method for recovering and producing lactide having high optical purity by depolymerizing a polylactic acid or derivative thereof in order to carry out chemical recycling of the polylactic acid or derivative thereof or of a resin composition comprising same, wherein a mixture of a polylactic acid or derivative thereof and aluminum hydroxide is thermally decomposed at a temperature in a range from at least the melting temperature of the polylactic acid or derivative thereof to no greater than 320°C, thus recovering lactide.

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