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139391-16-5

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139391-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139391-16-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,9 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 139391-16:
(8*1)+(7*3)+(6*9)+(5*3)+(4*9)+(3*1)+(2*1)+(1*6)=145
145 % 10 = 5
So 139391-16-5 is a valid CAS Registry Number.

139391-16-5Downstream Products

139391-16-5Relevant articles and documents

Directed, Iterative, Stereoselective Synthesis of Oligosaccharides by Use of Suitably 2-O-Substituted 2-Pyridyl 1-Thioglycopyranosides on Activation by Methyl Iodide

Mereyala, Hari Babu,Reddy, G. Venugopal

, p. 9721 - 9726 (2007/10/02)

The title synthesis is described by the proven methyl iodide activation procedure to obtain the α-linked oligosaccharides.Key words: Reiterative α-glycosidation; 2-pyridyl-1-thioglycopyranosides; armed-disarmed phenomena

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