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1424272-67-2

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1424272-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1424272-67-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,4,2,7 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1424272-67:
(9*1)+(8*4)+(7*2)+(6*4)+(5*2)+(4*7)+(3*2)+(2*6)+(1*7)=142
142 % 10 = 2
So 1424272-67-2 is a valid CAS Registry Number.

1424272-67-2Downstream Products

1424272-67-2Relevant articles and documents

Radiosynthesis of 18F-labeled N-desmethyl-loperamide analogues for prospective molecular imaging radiotracers

Bao, Xiaofeng,Liu, Duliang

, p. 1412 - 1415 (2013/04/23)

A simple procedure for preparing fluoroethyl-N-desmethyl-loperamide 4 and its analogue 5 was developed. Standard compound 4 was synthesized in useful yields for radiolabeling analysis. [N-Ethyl-18F]N-desmethyl-loperamide, 3, was rapidly and efficiently labeled with no-carrier added fluorine-18 (t 1/2 = 109.7 min) by treatment of readily prepared [ 18F]1-bromo-2-fluoro ethane with a N-desmethyl-loperamide precursor at a consistent 7% radiochemical yield. This procedure was also adapted to the radiosynthesis of 3 by [18F]ethylene tosylate, but at a lower 3% radiochemical yield. Copyright

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