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1228254-18-9

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1228254-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1228254-18-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,2,5 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1228254-18:
(9*1)+(8*2)+(7*2)+(6*8)+(5*2)+(4*5)+(3*4)+(2*1)+(1*8)=139
139 % 10 = 9
So 1228254-18-9 is a valid CAS Registry Number.

1228254-18-9Relevant articles and documents

Synthesis and study of new paramagnetic and diamagnetic verapamil derivatives

Bognár, Balázs,Ahmed, Shabnam,Lakshmi Kuppusamy,Selvendiran, Karuppaiyah,Khan, Mahmood,Jeko, József,Hankovszky, Olga H.,Kálai, Tamás,Kuppusamy, Periannan,Hideg, Kálmán

experimental part, p. 2954 - 2963 (2010/07/06)

New derivatives of verapamil (1) modified with nitroxides and their precursors were synthesized and screened for reactive oxygen species (ROS)-scavenging activities. The basic structure was modified by changing the nitrile group to an amide or the methyl substituent on tertiary nitrogen with nitroxides and their reduced forms (hydroxylamine and secondary amines). Among the new verapamil derivatives compound 16B [Mohan, I. K.; Kahn, M.; Wisel, S.; Selvendiran, K.; Sridhar, A.; Carnes, C.A.; Bognár, B.; Kálai, T.; Hideg, K.; Kuppusamy, P. Am. J. Physiol. Heart Circ. Physiol. 2009, 296, 140], modified with hydroxylamine salt of 2,2,6,6-tetramethyl-1,2,3,6-tetrahydropyridine-1-yloxyl proved to be the best ROS scavenger in vitro and protected HSMC and CHO cells against H2O2 induced damage.

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