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64142-09-2

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64142-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64142-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,1,4 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 64142-09:
(7*6)+(6*4)+(5*1)+(4*4)+(3*2)+(2*0)+(1*9)=102
102 % 10 = 2
So 64142-09-2 is a valid CAS Registry Number.

64142-09-2Downstream Products

64142-09-2Relevant articles and documents

A new glycoside, brachynoside, isolated from Clerodendron brachyanthum Schauer

Lin,Kuo

, p. 1928 - 1929 (1992)

Eudesmin, syringaresinol dimethyl ether, kusaginin and brachynoside were isolated from the ethanol extract of the leaves of Clerodendron brachyanthum. The new glycoside, branchynoside, was assigned as 2-(3,4-dimethoxyphenyl)ethyl 3-O-α-L-rhamnopyranosyl-4-O-(3,4-dihydroxycinnamoyl)-β-D-glucopyrano side from studies on partial methylation and methanolysis products and from analysis of spectroscopic evidence.

IRIDOID AND PHENOLIC GLYCOSIDES FROM HARPAGOPHYTUM PROCUMBENS

Burger, Johann F. W.,Brandt, E. Vincent,Ferreira, Daneel

, p. 1453 - 1458 (2007/10/02)

Key Word Index - Harpagophytum procumbens; Pedaliaceae; iridoid and phenolic glycosides; synthesis.A novel bioside, β-(3',4'-dihydroxyphenyl)ethyl-O-α-L-rhamnopyranosyl(1 -> 3)-β-D-glucopyranoside, was obtained from the secondary roots of Harpagophytum procumbens.It is accompained by the known iridoid glucosides harpagoside, procumbide, and its 6'-O-p-coumaroyl ester, and phenolic glycosides, acteoside and isoacteoside, the latter pair being obtained from H. procumbens for the first time.The structures of these metabolites were differentiated by high resolution NMR studies, while that of the bioside is additionally supported by synthesis.

STRUCTURE OF FORSYTHOSIDE B, AN ANTIBACTERIAL PRINCIPLE OF FORSYTHIA KOREANA STEMS

Endo, Katsuya,Yakahashi, Kazuhiro,Abe, Toyoko,Hikino, Hiroshi

, p. 261 - 264 (2007/10/02)

A new glycoside, forsythoside B, exhibiting antibacterial activity, has been isolated from Forsythia koreana stems.Chemical and spectroscopic studies have established the structure of forsythoside B as shown in formula I.

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