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161807-90-5

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161807-90-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161807-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,8,0 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 161807-90:
(8*1)+(7*6)+(6*1)+(5*8)+(4*0)+(3*7)+(2*9)+(1*0)=135
135 % 10 = 5
So 161807-90-5 is a valid CAS Registry Number.

161807-90-5Downstream Products

161807-90-5Relevant academic research and scientific papers

IMINE-ENAMINE TAUTOMERISM OF TROPANONE SCHIFF'S BASES

Kostochka, L. M.,Lezina, V. P.

, p. 335 - 339 (1994)

Using PMR spectroscopy, we have demonstrated the existence of an imine-enamine tautomerism and optically active forms in tropanone Schiff's bases.We have studied the effect of solvents and substituents on the tautomeric equilibrium of the system.By reacti

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