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4a-O-(tert-Butyldimethylsilyl)-5,4''-di-O-phenoxyacetyl-avermectin B1a is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

144367-88-4

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144367-88-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144367-88-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,3,6 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 144367-88:
(8*1)+(7*4)+(6*4)+(5*3)+(4*6)+(3*7)+(2*8)+(1*8)=144
144 % 10 = 4
So 144367-88-4 is a valid CAS Registry Number.

144367-88-4Relevant academic research and scientific papers

The C4-Exo Methylene Isomer of Avermectin B1a: Synthesis via an Allylic Radical and Bioactivity

Fraser-Reid, Bert,Lopez, J. Cristobal,Faghih, Ramin

, p. 6763 - 6768 (1992)

Avermectin B1aΔ4,4a, 2, has been obtained from avermectin B1a, 1, and its bioactivity evaluated.The key step of the transformation is the reduction of an intermediate allylic radical with nBu3SnH.

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