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371123-28-3

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371123-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 371123-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,1,1,2 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 371123-28:
(8*3)+(7*7)+(6*1)+(5*1)+(4*2)+(3*3)+(2*2)+(1*8)=113
113 % 10 = 3
So 371123-28-3 is a valid CAS Registry Number.

371123-28-3Relevant articles and documents

Copper(II) triflate: A versatile catalyst for the one-pot preparation of orthogonally protected glycosides

Tran, Anh-Tuan,Jones, Rachel A.,Pastor, Julien,Boisson, Julien,Smith, Nichola,Galan, M. Carmen

supporting information; experimental part, p. 2593 - 2598 (2011/12/04)

The development of general and expedient methodologies for the preparation of orthogonally protected glycoside building blocks is essential for the efficient synthesis of complex oligosaccharides. Herein, we describe a new approach that uses copper(II) triflate as a versatile catalyst for the one-pot preparation of orthogonal protected thio- and O-glycosides from the corresponding unprotected counterparts. The conditions are mild, easy to handle and applicable to two and three one-pot tandem transformations, which include arylidene acetalation, esterification, regioselective reductive acetal ring opening, glycosylation and silylation processes. Copyright

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