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873070-80-5

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873070-80-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 873070-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,0,7 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 873070-80:
(8*8)+(7*7)+(6*3)+(5*0)+(4*7)+(3*0)+(2*8)+(1*0)=175
175 % 10 = 5
So 873070-80-5 is a valid CAS Registry Number.

873070-80-5Relevant articles and documents

Sulfonated Lewis X trisaccharide and synthesis method and application thereof

-

Paragraph 0077-0078, (2019/06/07)

The invention relates to sulfonated Lewis X trisaccharide having the following structural formula as described in the description, wherein R1 is selected from a hydrogen atom, an alpha- or beta-configuration serine residue, an alpha- or beta-configuration

FeCl3 mediated arylidenation of carbohydrates

Basu, Nabamita,Maity, Sajal K.,Roy, Soumik,Singha, Shuvendu,Ghosh, Rina

experimental part, p. 534 - 539 (2011/04/27)

Glycosides and thioglycosides based on monosaccharides in reaction with benzaldehyde dimethylacetal or p-methoxybenzaldehyde dimethyl acetal undergo FeCl3-catalyzed (20 mol %) regioselective 4,6-O-arylidenation producing the corresponding acetals in high yields. FeCl3 also mediates acetalation of glycosides and thioglycosides of cellobiose, maltose, and lactose affording the corresponding 4′,6′-O-benzylidene acetals, which were isolated after their acetylation in situ with acetic anhydride and pyridine. The combined yields (two steps) of these final products are also high (61-84%). The procedure is applicable to a wide variety of functional groups including -OBn.

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