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144490-57-3

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144490-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144490-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,4,9 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 144490-57:
(8*1)+(7*4)+(6*4)+(5*4)+(4*9)+(3*0)+(2*5)+(1*7)=133
133 % 10 = 3
So 144490-57-3 is a valid CAS Registry Number.

144490-57-3Relevant articles and documents

A Glycosylation Protocol Based on Activation of Glycosyl 2-Pyridyl Sulfones with Samarium Triflate

Chang, Grace X.,Lowary, Todd L.

, p. 1505 - 1508 (2007/10/03)

(Equation Presented) Reaction of glycosyl 2-pyridyl sulfones (e.g., 2) with alcohols and samarium(III) triflate affords glycosides in moderate to excellent yields. Benzylated sulfones can be activated in preference to their benzoylated counterparts, and t

A MILD GENERAL METHOD FOR THE SYNTHESIS OF α-LINKED DISACCHARIDES

Reddy, G. Venugopal,Kulkarni, Vinayak R.,Mereyala, Hari Babu

, p. 4283 - 4286 (2007/10/02)

Stereoselective α-glycosylations may be achieved using stable 2-pyridyl thioglycosides (anomeric mixture) having a non-participating 2-substituent as glycosyl donor and methyl iodide as an activator.

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