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94404-20-3

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94404-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94404-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,4,0 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 94404-20:
(7*9)+(6*4)+(5*4)+(4*0)+(3*4)+(2*2)+(1*0)=123
123 % 10 = 3
So 94404-20-3 is a valid CAS Registry Number.

94404-20-3Relevant articles and documents

ION PAIR CATALYSIS OF TUNGSTATE AND MOLYBDATE

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Page/Page column 42-43; 69-75, (2017/10/30)

D The present invention relates to ion pair catalysts (I) comprising the cationic bisguanidinium ligand (A) and diperoxomolybdate anion (B). The present invention also relates to ion pair catalysts (III) comprising the cationic bisguanidinium ligand (C) and peroxotungstate anion (D). It further relates to the use of the said catalysts in the manufacture of enantiomerically enriched sulfoxides.

3. Naphthopyranquinone Antibiotics: Novel Enantioselective Syntheses of Frenolicin B and Some of Its Stereoisomers

Masquelin, Thierry,Hengartner, Urs,Streith, Jacques

, p. 43 - 58 (2007/10/03)

Two new enantioselective syntheses of the naphthopyranquinone antibiotic frenolicin B (1), of its enantiomer 2, and of its diastereoisomers 3 and 4 were accomplished using two different routes from optically active β-hydroxy esters (R)- and (S)-11 and 18.

Asymmetric Periodate Oxidation of Functionalized Sulfides Catalyzed by Bovine Serum Albumin

Colonna, Stefano,Banfi, Stefano,Fontana, Francesca,Sommaruga, Maurizio

, p. 769 - 771 (2007/10/02)

The asymmetric oxidation of the functionalized sulfides with sodium metaperiodate in the presence of a catalytic amount of bovine serum albumin (BSA) affords the corresponding sulfoxides with enantiomeric excess (ee) up to 69.3percent.The influence of the

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