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38176-10-2

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38176-10-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38176-10-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,1,7 and 6 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 38176-10:
(7*3)+(6*8)+(5*1)+(4*7)+(3*6)+(2*1)+(1*0)=122
122 % 10 = 2
So 38176-10-2 is a valid CAS Registry Number.

38176-10-2Relevant articles and documents

Chiral separation of calcium channel antagonists by SFC and HPLC using different immobilized chiral stationary phases

Raja, Rupak,Alam, Syed Dilshad,Mukhopadhyay, Dipanjan,Shirsath, Vikas,Jain, Arvind K.,ALOthman, Zeid A.,Locatelli, Marcello,Ali, Imran

, p. 514 - 520 (2022/01/11)

Supercritical fluid chromatography and high-performance liquid chromatography techniques are popular for the chiral separations of different drugs and pharmaceuticals. Therefore, this article describes a comparative study of the chiral separation of some calcium channel antagonists such as verapamil, gallopamil, and nisoldipine. The columns used were Chiralpak IG and Chiralpak ID (250 mm × 4.6?mm, 5.0?μm). The separation was achieved by using a variety of mobile phases in both techniques. The retention, separation, and resolution factors in SFC were in the range of 1.36–7.30, 1.09–1.72, and 1.16–3.47, while these values in the case of HPLC were 1.03–2.42, 1.12–1.35, and 0.49–2.46. The complete resolution of gallopamil and verapamil was achieved successfully. The chiral recognition was controlled by hydrogen bondings, π-π interactions, dipole induced dipole interactions, van der Waal forces, and steric effects. SFC was found to be a better technique than HPLC because of quick separation, good separation power, economic, environment-friendly, and green technology.

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