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289903-56-6

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289903-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289903-56-6 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 6 respectively.
Calculate Digit Verification of CAS Registry Number 289903-56:
(8*2)+(7*8)+(6*9)+(5*9)+(4*0)+(3*3)+(2*5)+(1*6)=196
196 % 10 = 6
So 289903-56-6 is a valid CAS Registry Number.

289903-56-6Relevant articles and documents

Phenolic modification as an approach to improve the pharmacology of the 3-acyloxy-2-benzylpropyl homovanillic amides and thioureas, a promising class of vanilloid receptor agonists and analgesics

Lee, Jeewoo,Lee, Jiyoun,Kang, Myung-Sim,Kim, Kang-Pil,Chung, Suk-Jae,Blumberg, Peter M.,Yi, Jung-Bum,Park, Young Ho

, p. 1171 - 1179 (2007/10/03)

In order to improve the analgesic activity and pharmacokinetics of thioureas 2 and 3, which we previously developed as potent vanilloid receptor (VR) agonists, we prepared and characterized phenolic modifications of them and of their amide surro-gates (7, 8). The aminoethyl analogue of the amide template 13 was a potent analgesic with an EC50 =0.96 μg/kg in the AA-induced writhing test and with better in vivo stability than the parent phenol. Copyright

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