Cas 71690-41-0,C31H19NO2

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Check Digit Verification of cas no

The CAS Registry Mumber 71690-41-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,9 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71690-41:
(7*7)+(6*1)+(5*6)+(4*9)+(3*0)+(2*4)+(1*1)=130
130 % 10 = 0
So 71690-41-0 is a valid CAS Registry Number.

71690-41-0Upstream product

71690-34-1 C₃₁H₂₃NO₂

71690-41-0Downstream Products

71690-41-0Relevant academic research and scientific papers

The Photocyclisation of 1,2-Diarylpyridinium Cations and the Photobiscyclisation of 1,2,6-Triarylpyridinium Cations

Katritzky, Alan R.,Zakaria, Zuriati,Lunt, Edward

, p. 1879 - 1887 (1980)

Photocyclisation of 1-(2-pyridyl)-2-arylpyridiniums yields benzopyrido-1,8-naphthyridinylinium cations.Photobiscyclisation of 1,2,6-triarylpyridiniums gives benzoquinolizinophenanthridinylium cations and their 9-aza-derivatives

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