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861891-68-1

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861891-68-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 861891-68-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,8,9 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 861891-68:
(8*8)+(7*6)+(6*1)+(5*8)+(4*9)+(3*1)+(2*6)+(1*8)=211
211 % 10 = 1
So 861891-68-1 is a valid CAS Registry Number.

861891-68-1Downstream Products

861891-68-1Relevant articles and documents

Immobilized iminophosphatranes useful for transesterification

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Page/Page column sheet 4; 5, (2008/06/13)

The present invention provides a method for transesterifying an ester, comprising combining the ester, a C1-C3 alcohol, and a heterogeneous catalyst of formula (I) or formula (II): wherein R′, R″ and R′″ are each H, (C1-C8)alkyl, (C6-C9)aryl, or (alk)3Si, wherein each alk is (C1-C4)alkyl; L is an organic linking moiety and X is a solid support material, and the salts thereof under conditions wherein the catalyst catalyzes the formation of the (C1-C3) ester of the acid portion of the ester and the corresponding free alcohol of the ester.

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