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75539-85-4

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75539-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75539-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,3 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 75539-85:
(7*7)+(6*5)+(5*5)+(4*3)+(3*9)+(2*8)+(1*5)=164
164 % 10 = 4
So 75539-85-4 is a valid CAS Registry Number.

75539-85-4Downstream Products

75539-85-4Relevant articles and documents

Photochemistry of Some Azaphenanthrene N-Oxides

Albini, Angelo,Bettinetti, Gian Franco,Minoli, Giovanna

, p. 1159 - 1161 (2007/10/02)

1- and 4-Azaphenanthrene N-oxides undergo solvent-dependent photoisomerization, yielding naphtho-1,3-oxazepines in aprotic solvents and benzoquinolin-1(2H)-ones in water.No ring enlargement but only isomerization to the corresponding lactam is observed to take place in the case of 9-azaphenanthrene N-oxide.Measurements of the quantum yield of two photoprocesses (lactam formation and ring enlargement) confirm the difference between the photochemical behaviour of 9-azaphenanthrene N-oxide and that of the other two N-oxides examined

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