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912804-59-2

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912804-59-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 912804-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,2,8,0 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 912804-59:
(8*9)+(7*1)+(6*2)+(5*8)+(4*0)+(3*4)+(2*5)+(1*9)=162
162 % 10 = 2
So 912804-59-2 is a valid CAS Registry Number.

912804-59-2Upstream product

912804-59-2Downstream Products

912804-59-2Relevant 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

, p. 24 - 28 (2010)

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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