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74308-35-3

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74308-35-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74308-35-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,0 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 74308-35:
(7*7)+(6*4)+(5*3)+(4*0)+(3*8)+(2*3)+(1*5)=123
123 % 10 = 3
So 74308-35-3 is a valid CAS Registry Number.

74308-35-3Downstream Products

74308-35-3Relevant articles and documents

Pyrolysis of Aryl Azides. V. Characterization of Phenylazo, Benzoyl and Formyl as Neighbouring Groups

Dickson, Noel J.,Dyall, Leonard K.

, p. 91 - 99 (2007/10/02)

The enhancements of thermolysis rate of azidobenzene produced by ortho phenylazo, benzoyl and formyl substituents are 21180, 70.0 and 22.8 at 393.2 K (decalin solutions).The same ortho substituents produce much smaller enhancements (169, 8.56 and 10.7 respectively) in the pyrolysis rate of 1-azido-2,4-dibromobenzene.These results are interpreted as steric effects on an electrocyclic thermolysis mechanism, and are not consistent with the alternative pathway of intramolecular 1,3-dipolar addition which continues to be advocated by Hall and Dolan.

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