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515821-31-5

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515821-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 515821-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,5,8,2 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 515821-31:
(8*5)+(7*1)+(6*5)+(5*8)+(4*2)+(3*1)+(2*3)+(1*1)=135
135 % 10 = 5
So 515821-31-5 is a valid CAS Registry Number.

515821-31-5Downstream Products

515821-31-5Relevant articles and documents

Preparation and reductive lithiation of 2-deoxy-D-glucopyranosyl phenylsulfones: A highly stereoselective route to C-glycosides

Beau,Sinay

, p. 6185 - 6188 (2007/10/02)

2-Deoxy-D-glucopyranosyl phenylsulfones 3a-c have been synthesized in 75-83% yield from commercial tri-O-acetyl-D-glucal 1. Their reductive desulfonylation by lithium naphthalenide and reaction of the intermediate glycosyl-lithium 5 with aldehydes leads t

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