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258878-27-2

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258878-27-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 258878-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,8,7 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 258878-27:
(8*2)+(7*5)+(6*8)+(5*8)+(4*7)+(3*8)+(2*2)+(1*7)=202
202 % 10 = 2
So 258878-27-2 is a valid CAS Registry Number.

258878-27-2Relevant articles and documents

Discovery of 4,5-diphenyl-1,2,4-triazole derivatives as a novel class of selective antagonists for the human V(1A) receptor.

Kakefuda, Akio,Suzuki, Takeshi,Tobe, Takahiko,Tahara, Atsuo,Sakamoto, Shuichi,Tsukamoto, Shin ichi

, p. 1905 - 1912 (2007/10/03)

In the search for a novel class of selective antagonists for the human V(1A) receptor, high-throughput screening (HTS) of the Yamanouchi chemical library using CHO cells expressing the cloned human V(1A) (hV(1A)) receptor led to the discovery of 5-(4-biphenyl)-4-(2-methoxyphenyl)-3-methyl-1,2,4-triazole (3) which possessed the novel 4,5-diphenyl-1,2,4-triazole structure. Subsequent structure-activity relationships studies on a series of the 4,5-diphenyl-1,2,4-triazole derivatives related to 3 revealed that the 4,5-diphenyl-1,2,4-triazole structure played an essential role in exerting high affinity for the hV(1A) receptor and that introduction of a basic amine moiety to the methoxy part of the 4-phenyl ring was effective in the improvement of both affinity for the hV(1A) receptor and selectivity versus the hV(2) receptor. Compound 3 and the 2-(morphorino)ethoxy derivative (11b) were shown to be antagonists for the hV(1A) receptor, from their effects on AVP-induced [Ca(2+)](i) response in CHO cells expressing the hV(1A) receptor.

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