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133101-42-5

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133101-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133101-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,1,0 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 133101-42:
(8*1)+(7*3)+(6*3)+(5*1)+(4*0)+(3*1)+(2*4)+(1*2)=65
65 % 10 = 5
So 133101-42-5 is a valid CAS Registry Number.

133101-42-5Relevant articles and documents

Synthesis and structure-activity relationships of 2-acylamino-4,6-diphenylpyridine derivatives as novel antagonists of GPR54

Kobayashi, Toshitake,Sasaki, Satoshi,Tomita, Naoki,Fukui, Seiji,Kuroda, Noritaka,Nakayama, Masaharu,Kiba, Atsushi,Takatsu, Yoshihiro,Ohtaki, Tetsuya,Itoh, Fumio,Baba, Atsuo

experimental part, p. 3841 - 3859 (2010/08/06)

GPR54 is a G protein-coupled receptor (GPCR) which was formerly an orphan receptor. Recent functional study of GPR54 revealed that the receptor has an essential role to modulate sex-hormones including GnRH. Though antagonists of GPR54 are expected to be novel drugs for sex-hormone dependent diseases such as prostate cancer or endometriosis, small molecule GPR54 antagonists have not been reported. We have synthesized a series of 2-acylamino-4,6-diphenylpyridines to identify potent GPR54 antagonists. Detailed structure-activity relationship studies led to compound 9l with an IC50 value of 3.7 nM in a GPR54 binding assay, and apparent antagonistic activity in a cellular functional assay.

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