Cas 1189765-52-3,C20H23NO2

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Check Digit Verification of cas no

The CAS Registry Mumber 1189765-52-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,7,6 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1189765-52:
(9*1)+(8*1)+(7*8)+(6*9)+(5*7)+(4*6)+(3*5)+(2*5)+(1*2)=213
213 % 10 = 3
So 1189765-52-3 is a valid CAS Registry Number.

1189765-52-3Upstream product

1189765-52-3Downstream Products

1189765-54-5 C₁₃H₁₇NO₂

1189765-52-3Relevant academic research and scientific papers

Enantioselective ring expansion of prolinols: An efficient and short synthesis of 2-phenylpiperidin-3-ol derivatives and 3-hydroxypipecolic acids

Cochi, Anne,Burger, Benjamin,Navarro, Cristina,Pardo, Domingo Gomez,Cossy, Janine,Zhao, Yang,Cohen, Theodore

body text, p. 2157 - 2161 (2009/12/24)

A very short route to 2-phenylpiperidin-3-ol derivatives and 3-hydroxypipecolic acids is described. The approach uses two key steps: a one-pot reduction/Grignard addition sequence applied to alkyl proline esters and a ring expansion applied to the corresp

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