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871840-80-1

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871840-80-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 871840-80-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,8,4 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 871840-80:
(8*8)+(7*7)+(6*1)+(5*8)+(4*4)+(3*0)+(2*8)+(1*0)=191
191 % 10 = 1
So 871840-80-1 is a valid CAS Registry Number.

871840-80-1Downstream Products

871840-80-1Relevant articles and documents

Preparation of novel 3H-trifluoromethyldiazirine-based photoactivatable potassium channel antagonists

Sanderson, John M.,Findlay, John B. C.,Fishwick, Colin W. G.

, p. 11244 - 11252 (2007/10/03)

The preparation of a series of photoactivatable precursors for use in photoaffinity labelling of potassium channels is described. 3H-Diazirine functionalities were incorporated into the previously described potassium channel antagonists 1-3. The ability to perform enantioselective reductions and Wittig reactions in the presence of 3H-diazirines was central to this work.

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