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83170-25-6

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83170-25-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83170-25-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,1,7 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83170-25:
(7*8)+(6*3)+(5*1)+(4*7)+(3*0)+(2*2)+(1*5)=116
116 % 10 = 6
So 83170-25-6 is a valid CAS Registry Number.

83170-25-6Relevant articles and documents

STRUKTUR UND SYNTHESE VON FLAVONOL-TRIOSIDEN AUS RHAMNUS-ARTEN

Riess-Mauer, Ingrid,Wagner, Hildebert

, p. 1269 - 1278 (2007/10/02)

By synthesis and (13)C-NMR spectroscopic investigations of rhamnocitrin-, rhamnazin- and rhamnetin-3-O-4)-O-α-L-rhamnopyranosyl-(1->6)>-β-D-galactopyranosides and of rhamnocitrin-3-O-3)-O-α-L-rhamnopyranosyl-(1->6)-β-D-galactopyranoside (rhamnocitrin-3-O-β-rhamninoside) it was proved that all naturally occuring flavonol-triosides, so far isolated from different Rhamnus species, contain the sugar-moiety rhamninose.Thus it was shown that catharticin (rhamnocitrin-3-O-β-rhamninoside) is identical withalaternin and xanthorhamnin A (rhamnetin-3-O-β-rhamninoside) with xanthorhamnin B, whereas xanthohamnin C is rhamnazin-3-O-β-rhamninoside.From Rhamnus saxatilis JACQ., ssp. saxat. a new flavonol-acetyl-trioside was isolated and the structure by MS and (13)C-NMR spectroscopic means elucidated to be the rhamnetin-3-O-3)-O-(4-O-acetyl-)-α-L-rhamnopyranosyl-(1->6)>-β-D-galactopyranoside.

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