Cas 174871-19-3,C<sub>21</sub>H<sub>14</sub>O

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Check Digit Verification of cas no

The CAS Registry Mumber 174871-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,8,7 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 174871-19:
(8*1)+(7*7)+(6*4)+(5*8)+(4*7)+(3*1)+(2*1)+(1*9)=163
163 % 10 = 3
So 174871-19-3 is a valid CAS Registry Number.

174871-19-3Upstream product

143210-12-2 (E)-3-(2-Naphtho[2,1-b]furan-2-yl-phenyl)-acrylic acid 2,3-dichloro-5,6-dicyano-4-[(E)-3-(2-naphtho[2,1-b]furan-2-yl-phenyl)-acryloyloxy]-phenyl ester

174871-19-3Downstream Products

174871-19-3Relevant academic research and scientific papers

Novel reduction (Zn-AcOH) of DDHQ esters - A new route to tropone synthesis

Kasturi,Palle,Sattigeri,Kumar

, p. 1707 - 1712 (1996)

Zn/acetic acid reaction of DDHQ esters 1 a-d gave the saturated acids 3 a-d and the hydrocarbons 7 a-d. The intermediacy of the aldehydes 10 and 11 in the formation of the products has been established. Oxidation of hydrocarbons 7a and 7b gave the corresponding tropones (5a and 5b).

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