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5,6-O-isopropylidene-2-O-methyl-3-O-retinoyl-L-ascorbic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

205872-69-1

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205872-69-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205872-69-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,8,7 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 205872-69:
(8*2)+(7*0)+(6*5)+(5*8)+(4*7)+(3*2)+(2*6)+(1*9)=141
141 % 10 = 1
So 205872-69-1 is a valid CAS Registry Number.

205872-69-1Downstream Products

205872-69-1Relevant academic research and scientific papers

Synthesis of the 3-o-retinoyl-l-ascorbic acid and related compounds: Characterization and reducing activity against DPPH

Yamano, Yumiko,Ito, Masayoshi

, p. 289 - 299 (2007/10/03)

Novel hybrid vitamin, 3-O-retinoyl-L-ascorbic acid (3a) was conveniently prepared by reaction of sodium L-ascorbate with retinoyl fluoride. The 3-O-acylated structure was confirmed by the comparison of spectral data of its methylated compound with those of 3-O-methyl-2-O-retinoyl-L-ascorbic acid (20) prepared from 5,6-O-isopropylidene-3-O-methyl-L-ascorbic acid. 3-O-Retinoyl-L-ascorbic acid (3a) showed a reducing activity against the stable radical, α,α-diphenyl-β-picrylhydrazyl (DPPH).

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