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289903-50-0

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289903-50-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289903-50-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,9,0 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 289903-50:
(8*2)+(7*8)+(6*9)+(5*9)+(4*0)+(3*3)+(2*5)+(1*0)=190
190 % 10 = 0
So 289903-50-0 is a valid CAS Registry Number.

289903-50-0Relevant articles and documents

The SAR analysis of TRPV1 agonists with the α-methylated B-region

Cho, Yongsung,Kim, Myeong Seop,Kim, Ho Shin,Ann, Jihyae,Lee, Jeewoo,Lee, Jiyoun,Pearce, Larry V.,Pavlyukovets, Vladimir A.,Morgan, Matthew A.,Blumberg, Peter M.

, p. 5227 - 5231 (2012/09/07)

A series of TRPV1 agonists with amide, reverse amide, and thiourea groups in the B-region and their corresponding α-methylated analogues were investigated. Whereas the α-methylation of the amide B-region enhanced the binding affinities and potencies as agonists, that of the reverse amide and thiourea led to a reduction in receptor affinity. The analysis indicated that proper hydrogen bonding as well as steric effects in the B-region are critical for receptor binding.

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