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71485-49-9

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71485-49-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71485-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,4,8 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71485-49:
(7*7)+(6*1)+(5*4)+(4*8)+(3*5)+(2*4)+(1*9)=139
139 % 10 = 9
So 71485-49-9 is a valid CAS Registry Number.

71485-49-9Relevant articles and documents

On the existence of pentacoordinated nitrogen

Christe, Karl O.,Wilson, William W.,Schrobilgen, Gary J.,Chirakal, Raman V.,Olah, George A.

, p. 789 - 790 (2008/10/08)

The thermal decomposition of NF4HF2 was studied by using 18F-labeled HF2-. The observed distribution of 18F among the decomposition products indicates that within experimental error the attack of HF2- on NF4+ occurs exclusively on fluorine and not on nitrogen, contrary to the predictions based on bond polarities. These results confirm the previous suggestion that the lack of pentacoordinated nitrogen species is due mainly to steric reasons.

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