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126654-57-7

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126654-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126654-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,6,5 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 126654-57:
(8*1)+(7*2)+(6*6)+(5*6)+(4*5)+(3*4)+(2*5)+(1*7)=137
137 % 10 = 7
So 126654-57-7 is a valid CAS Registry Number.

126654-57-7Relevant articles and documents

NEUROTROPHIC SESQUITERPENE-NEOLIGNANS FROM MAGNOLIA OBOVATA: STRUCTURE AND NEUROTROPHIC ACTIVITY

Fukuyama, Yoshiyasu,Otoshi, Yukio,Miyoshi, Kumi,Nakamura, Kazuhiko,Kodama, Mitsuaki,et al.

, p. 377 - 392 (2007/10/02)

Novel sesquiterpene-neolignans, eudesobovatols A (1) and B (2), eudesmagnolol (3), eudeshonokiols A (4) and B (5), clovanemagnolol (6), and caryolanemagnolol (7), have been isolated from the bark of Magnolia obovata.Their structures were elucidated to be sesquiterpenes (eudesmol, 4,4,8-trimethyltricyclo2,5>dodecane-1,9-diol, and clovanediol) combined through ether bond with neolignans such as obovatol, honokiol, and magnolol on the basis of spectral data, degradation, and/or synthesis.Compounds 1, 6, and 7 were found to exhibit interesting neurotrophic activity on a neuronal cell culture system derived from fetal rat hemisphere.

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