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1206670-26-9

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1206670-26-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1206670-26-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,6,6,7 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1206670-26:
(9*1)+(8*2)+(7*0)+(6*6)+(5*6)+(4*7)+(3*0)+(2*2)+(1*6)=129
129 % 10 = 9
So 1206670-26-9 is a valid CAS Registry Number.

1206670-26-9Relevant articles and documents

Substrate and Catalyst Effects in the Enantioselective Copper-Catalysed C–H Insertion Reactions of α-Diazo-β-oxo Sulfones

Shiely, Amy E.,Clarke, Leslie-Ann,Flynn, Christopher J.,Buckley, Aoife M.,Ford, Alan,Lawrence, Simon E.,Maguire, Anita R.

, p. 2277 - 2289 (2018/06/04)

Excellent enantioselectivities of up to 98 % ee are achieved by employing the copper-bis(oxazoline)-NaBARF catalyst system in the C–H insertion reactions of α-diazo-β-oxo sulfones. The influence of variation of the bis(oxazoline) ligand, copper salt, additive and substrate on both the efficiency and the enantioselectivities of these intramolecular C–H insertion reactions has been explored. Optimum enantioselectivities are achieved with phenyl and diphenyl ligands across the substrate series.

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