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134577-25-6

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134577-25-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134577-25-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,5,7 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 134577-25:
(8*1)+(7*3)+(6*4)+(5*5)+(4*7)+(3*7)+(2*2)+(1*5)=136
136 % 10 = 6
So 134577-25-6 is a valid CAS Registry Number.

134577-25-6Downstream Products

134577-25-6Relevant articles and documents

New Addition Reactions of Cyclic Ethers with Esters and Thioesters Catalyzed by Quaternary Ammonium Salts or Crown Ether Complexes

Nishikubo, Tadatomi,Sato, Kazuya

, p. 697 - 700 (2007/10/02)

A new addition reaction of 3-benzyloxymethyl-3-methyloxetane with S-phenyl thioacetate proceeded to give 3-benzyloxy-2-methyl-2-phenylthiomethylpropyl acetate catalyzed by 18-crown-6-potassium phenoxide complex.N-(2-Acetoxyethyl)-N-(2-phenoxyethyl)acetamide was also synthesized in high yield by the addition reaction of 5-methyl-4,6-dioxa-1-azabicyclo octane with phenyl acetate, using tetrabutylammonium salts as catalysts.

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