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55315-09-8

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55315-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55315-09-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,1 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55315-09:
(7*5)+(6*5)+(5*3)+(4*1)+(3*5)+(2*0)+(1*9)=108
108 % 10 = 8
So 55315-09-8 is a valid CAS Registry Number.

55315-09-8Downstream Products

55315-09-8Relevant articles and documents

Theoretical Calculations of Chemical Interactions. Part 4. Aromatic Nucleophilic Substitutions and SN2 Reactions of 4- and 6-Substituted 2-Nitroanisoles

Nudelman, N. Sbarbati,Palleros, Daniel R.

, p. 805 - 810 (2007/10/02)

The reactions of 4-R- and 6-R-2-nitroanisoles (R=Me, Br) in neat cyclohexylamine and piperidine have been studied.The reactions with cyclohexylamine lead to the respective aromatic nucleophilic substitution products while the reactions with piperidine mainly yield the substituted nitrophenols.It was found that 6-R-2-nitroanisoles react faster than the respective 4-R-2-nitroanisoles.The absence of the expected primary steric effect is thought to be due to the spatial arrangement of the methoxide group, which adopts a conformation perpendicular to the ring plane when it is surrounded by two ortho-substituents.CNDO and INDO calculations for different conformations of the substrates give support to this assumption.

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