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380899-46-7

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380899-46-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 380899-46-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,8,9 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 380899-46:
(8*3)+(7*8)+(6*0)+(5*8)+(4*9)+(3*9)+(2*4)+(1*6)=197
197 % 10 = 7
So 380899-46-7 is a valid CAS Registry Number.

380899-46-7Downstream Products

380899-46-7Relevant articles and documents

Liquid chromatographic direct resolution of flecainide and its analogs on a chiral stationary phase based on (+)-(18-Crown-6)-2,3,11,12-tetracarboxylic acid

Lee, Areum,Choi, Hee Jung,Hyun, Myung Ho

experimental part, p. 693 - 698 (2010/09/16)

Flecainide, an antiarrythmic agent, and its analogs were resolved on a high performance liquid chromatographic chiral stationary phase (CSP) based on (+)-(18-crown-6)-2,3,11,12-tetracarboxylic acid with the use of a mobile phase consisting of methanol-acetonitrile-trifluoroacetic acid-triethylamine (80/20/0.1/0.3, v/v/v/v). The chiral resolution was quite successful, the separation factors (α) and the resolutions (RS) for 20 analytes including flecainide being in the range of 1.19-1.82 and 1.73-6.80, respectively. The ortho-substituent of the benzoyl group of analytes was found to cause decrease in the retention times of analytes probably because of the conformational deformation of analytes originated from the steric hindrance exerted by the ortho-substituent.

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