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344350-86-3

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344350-86-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344350-86-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,3,5 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 344350-86:
(8*3)+(7*4)+(6*4)+(5*3)+(4*5)+(3*0)+(2*8)+(1*6)=133
133 % 10 = 3
So 344350-86-3 is a valid CAS Registry Number.

344350-86-3Downstream Products

344350-86-3Relevant articles and documents

Nitrenium and Carbenium Ions in Rearrangements of 2-Azabicyclic Systems

Heesing, Albert,Herdering, Wilhelm

, p. 1081 - 1096 (2007/10/02)

An ionic mechanism proceeding in intimate ion pairs is suggested for the rearrangement of N-sulfonyloxy derivatives of 2-azabicycloheptane and -hept-5-ene (e. g. 9, 11 -> 10, 12). 1.Experiments with 18O labelled educts show partial scrambling dependend both on structure of educt and solvent. 2.In methanol the intermediate carbenium ions (19, 23) react to give methoxy compounds. 3.MINDO/3-calculations are in agreement with the experiments: a) In the saturated systems the nitrenium ion 20 is a stable intermediate. b) The optimized geometries of the rearranged carbenium ions (21, 23) are consistent with the products obtained in methanol.

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