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methyl 2,3-dinor-1,4-lactone-9α-hydroxy-11-oxo-12-oleanen-28-oate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

170240-88-7

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170240-88-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170240-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,2,4 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 170240-88:
(8*1)+(7*7)+(6*0)+(5*2)+(4*4)+(3*0)+(2*8)+(1*8)=107
107 % 10 = 7
So 170240-88-7 is a valid CAS Registry Number.

170240-88-7Downstream Products

170240-88-7Relevant academic research and scientific papers

Triterpenoids. Part 9. Structure Elucidation of a New Sodium Dichromate Oxidation Product of Methyl Oleanolate and some of its Derivatives

Zaprutko, L.

, p. 1003 - 1012 (2007/10/02)

Methyl oleanolate 1a was oxidized to methyl 2,3-dinor-1,4-lactone-9α-hydroxy-11-oxo-12-oleanen-28-oate (2) by sodium dichromate in refluxing acetic acid.Compound 2 upon treatment with zinc in acetic acid gives methyl 2,3-dinor-1,4-lactone-9(11),12-oleandi

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