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109899-89-0

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109899-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109899-89-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,9 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109899-89:
(8*1)+(7*0)+(6*9)+(5*8)+(4*9)+(3*9)+(2*8)+(1*9)=190
190 % 10 = 0
So 109899-89-0 is a valid CAS Registry Number.

109899-89-0Relevant articles and documents

Synthesis of halogenated/nitrated flavone derivatives and evaluation of their affinity for the central benzodiazepine receptor

Marder, Mariel,Zinczuk, Juan,Colombo, Maria I.,Wasowski, Cristina,Viola, Haydee,Wolfman, Claudia,Medina, Jorge H.,Ruveda, Edmundo A.,Paladini, Alejandro C.

, p. 2003 - 2008 (2007/10/03)

A series of halogenated/nitrated flavone compounds were synthesized. Some of the products were found to be potent central benzodiazepine receptor (BDZ-R) ligands. The structure-activity relationships (SAR) analysis of the new synthetic compounds, together with that of others already described, indicates that substitutions at position 6 or 6 and 3' in the flavone nucleus are the only ones that give rise to high affinity BDZ-R ligands.

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