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180900-28-1

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180900-28-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180900-28-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,9,0 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 180900-28:
(8*1)+(7*8)+(6*0)+(5*9)+(4*0)+(3*0)+(2*2)+(1*8)=121
121 % 10 = 1
So 180900-28-1 is a valid CAS Registry Number.

180900-28-1Relevant articles and documents

Synthesis and PAF antagonist activity of some 2,5-diaryltetrahydrofurans incorporating PAF-like functional groups

Smith,Blackwell,Demaine,Garland,Hodson,Hyde,Parke,Rose,Sawyer,Tilling

, p. 347 - 358 (2007/10/03)

This paper describes the synthesis and structure-activity relationships of a series of 2,5-diaryltetrahydrofurans, as specific and potent antagonists at the rabbit washed platelet activating factor (PAF) receptor. The methoxyl groups in the known PAF antagonist L-652,731 were replaced with functional groups present in PAF and in the 'PAF-like' antagonists. Activity was generally retained or enhanced when one aryl ring in L-652,731 was elaborated; however incorporation of these functional groups into both of the aryl rings greatly reduced or abolished activity. These results are discussed in relation to a putative model for the PAF receptor.

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