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116490-72-3

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116490-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116490-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,4,9 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 116490-72:
(8*1)+(7*1)+(6*6)+(5*4)+(4*9)+(3*0)+(2*7)+(1*2)=123
123 % 10 = 3
So 116490-72-3 is a valid CAS Registry Number.

116490-72-3Relevant articles and documents

A metal-free route towards 1,5-disubstituted 1,2,3-triazolylmethylene linked disaccharides: Synthesis in a biodegradable hydroxyl-ammonium-based aqueous ionic liquid media

Kayet, Anirban,Pathak, Tanmaya

, p. 3341 - 3344 (2018)

Suitably protected carbohydrates were joined together using 1,5-disubstituted 1,2,3-triazolylmethylene (1,5-DTM) linkers. The DTM linker was built by the 1,3-dipolar cycloaddition reactions of a series of sugar azides with vinyl sulfonylmethylene-modified furanose or pyranose under metal free conditions. Three different biodegradable hydroxylammonium based ionic liquids were studied in water as the reaction media. The N,N-dimethyl ethanolammonium formate-water mixture was found to be the best reaction medium because the reaction time was shortened considerably to generate a dozen new 1,5-DTM-linked disaccharides.

The synthesis of two repeating units of Haemophilus influenzae type a capsular antigen.

Grzeszczyk,Banaszek,Zamojski

, p. 215 - 226 (2007/10/02)

The repeating units 2-O-beta-D-glucopyranosyl-L-ribitol 4'- and 1-phosphate of Haemophilus influenzae type a capsular antigen have been synthesised by condensation of an alpha-D-glucopyranosyl bromide derivative with 5-O-allyl-1,2,3-tri-O-benzyl-D-ribitol followed by selective deprotection of HO-4' or HO-1, phosphorylation, and removal of the blocking groups.

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