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1256137-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256137-62-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,1,3 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1256137-62:
148 % 10 = 8
So 1256137-62-8 is a valid CAS Registry Number.

1256137-62-8Relevant articles and documents

Rh(II) carbene-mediated synthesis of methyl α- And β-ketopyranosides: Preparation of carbene precursors, quaternarization of the anomeric position, and ring opening of γ-lactones

Boultadakis-Arapinis, Melissa,Lescot, Camille,Micouin, Laurent,Lecourt, Thomas

, p. 587 - 604 (2011)

Methyl α- and β-ketopyranosides were efficiently prepared by carbene-mediated quaternarization of the anomeric position of corresponding aldopyranosides. Preparation of carbene precursors proved to be tedious and required a two-step procedure involving fi

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