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859046-55-2

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859046-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 859046-55-2 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 859046-55:
(8*8)+(7*5)+(6*9)+(5*0)+(4*4)+(3*6)+(2*5)+(1*5)=202
202 % 10 = 2
So 859046-55-2 is a valid CAS Registry Number.

859046-55-2Downstream Products

859046-55-2Relevant articles and documents

PROCESS FOR MANUFACTURING A CYCLIC DIESTER OF AN A-HYDROXY ACID

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Page/Page column 6, (2009/12/28)

Process for manufacturing a cyclic diester of an α-hydroxy acid comprising the following steps: a substantially anhydrous salt of a divalent metal and of an α-hydroxy acid is mixed with a strong acid, the pKa of which is less than that of the α-hydroxy acid and the salt of which with the divalent metal is hygroscopic; andthe mixture is left to react for a sufficient time in order to obtain the cyclic diester dispersed in the hygroscopic salt.

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