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14419-91-1

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14419-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14419-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,4,1 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 14419-91:
(7*1)+(6*4)+(5*4)+(4*1)+(3*9)+(2*9)+(1*1)=101
101 % 10 = 1
So 14419-91-1 is a valid CAS Registry Number.

14419-91-1Downstream Products

14419-91-1Relevant articles and documents

Diastereoisomeric quaternary morphinium salts: Synthesis, stereochemistry and analgesic properties

Iorio,Disciullo,Mazzeo Farina,Frigeni

, p. 11 - 16 (2007/10/02)

Diastereoisomeric quaternary morphinium salts were prepared by alkylation of morphine with alkyl halides or by alkylation of N-alkylnormorphines with methyl iodide. Nitrogen configuration of diastereoisomeric pairs was assigned by means of 1H NMR chemical shifts of corresponding N-methyl protons. These compounds were evaluated for analgesic activity by the guinea pig ileum assay and by the hot-plate test after icv administration in mice. The correlation between N-substituent orientation and narcotic agonist/antagonist activity is discussed.

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