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403607-21-6

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403607-21-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 403607-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,6,0 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 403607-21:
(8*4)+(7*0)+(6*3)+(5*6)+(4*0)+(3*7)+(2*2)+(1*1)=106
106 % 10 = 6
So 403607-21-6 is a valid CAS Registry Number.

403607-21-6Downstream Products

403607-21-6Relevant articles and documents

Synthesis of deoxycholic-derived chiral stationary phases possessing both arylcarbamate and arylamide moieties: Evaluation of their chiral discrimination properties in the HPLC resolution of racemic compounds

Iuliano,Masini,Felix,Salvadori

, p. 2811 - 2825 (2007/10/03)

Two families of chiral selectors derived from deoxycholic acid, possessing both an arylamide and an arylcarbamate group on the cholestanic backbone were synthesized and covalently bonded to silica gel to afford new chiral stationary phases (CSPs A1-D1 and A2-D2) for the HPLC resolution of racemic compounds. The chromatographic data concerning the resolution of selected racemic compounds on CSPs A1-D1 and A2-D2 were compared with those obtained using analogous CSPs possessing only arylcarbamate groups on the cholestanic system (CSPs A-D). This has allowed us to establish that the resolution capability of CSPs A1-D1 and A2-D2 depends not only on the position of the arylamide group on the cholestanic backbone, but also on the electronic characteristics of the aromatic substituents.

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