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167095-80-9

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167095-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 167095-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,0,9 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 167095-80:
(8*1)+(7*6)+(6*7)+(5*0)+(4*9)+(3*5)+(2*8)+(1*0)=159
159 % 10 = 9
So 167095-80-9 is a valid CAS Registry Number.

167095-80-9Downstream Products

167095-80-9Relevant articles and documents

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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