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1155267-23-4

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1155267-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1155267-23-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,5,2,6 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1155267-23:
(9*1)+(8*1)+(7*5)+(6*5)+(5*2)+(4*6)+(3*7)+(2*2)+(1*3)=144
144 % 10 = 4
So 1155267-23-4 is a valid CAS Registry Number.

1155267-23-4Upstream product

1155267-23-4Downstream Products

1155267-23-4Relevant articles and documents

Alpha-glucosidase and tyrosinase inhibitors from fungal hydroxylation of tibolone and hydroxytibolones

Choudhary, M. Iqbal,Shah, S. Adnan Ali,Atta-Ur-Rahman,Khan, Shamsun-Nahar,Khan, Mahmud Tareq Hassan

, p. 956 - 966 (2010)

Sixteen new and one known metabolites 4-20 were obtained by incubation of tibolone (1) and hydroxytibolones (2 and 3) with various fungi. Their structures were elucidated by means of a homo and heteronuclear 2D NMR and by HREI-MS techniques. The relative stereochemistry was deduced by 2D NOESY experiment. Metabolites of tibolone (1) exhibited significant inhibitory activities against α-glucosidase and tyrosinase enzymes. Hydroxylations at C-6, C-10, C-11, C-15 positions and α,β-unsaturation at C-1/C-2, C-4/C-5 showed potent inhibitory activities against these enzymes.

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