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117305-34-7

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117305-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117305-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,3,0 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 117305-34:
(8*1)+(7*1)+(6*7)+(5*3)+(4*0)+(3*5)+(2*3)+(1*4)=97
97 % 10 = 7
So 117305-34-7 is a valid CAS Registry Number.

117305-34-7Upstream product

117305-34-7Downstream Products

117305-34-7Relevant articles and documents

Chiral separations of some β-adrenergic agonists and antagonists on AmyCoat column by HPLC

Ali, Imran,Saleem, Kishwar,Gaitonde, Vinay D.,Aboul-Enein, Hassan Y.,Hussain, Iqbal

experimental part, p. 24 - 28 (2010/09/14)

Sixteen β-adrenergic antagonists namely acebutalol, alprenolol, atenolol, bisoprolol, bopindolol, bufurolol, carazolol, celiprolol, indenolol, metaprolol, nebivolol, oxprenolol, practolol, propranolol, tertalol, and timolol, and two β-adrenergic agonists namely cimeterol and clenbuterol were resolved on AmyCoat (150 x 46 mm, 3 μm size of silica particle) by using (85:15:0.1, v/v/v), (90:10:0.1, v/v/v), and (95:05:0.1, v/v/v) combinations of η-heptane, ethanol, and diethylamine solvents, respectively. The flow rates used were 0.5, 1.0, 2.0, and 3.0 ml/min with detection at 225 nm. The values of capacity, separation, and resolution factors ranged from 0.38 to 19.70, 1.08-2.33, and 1.0 and 4.50, respectively. The maximum and minimum resolutions were achieved for celiprolol and bufurolol, respectively. The chiral recognition mechanisms were also discussed. The values of validation parameters were calculated.

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