Cas 146137-75-9,2-Benzylsulfanyl-6-fluoro-benzaldehyde

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Check Digit Verification of cas no

The CAS Registry Mumber 146137-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,1,3 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 146137-75:
(8*1)+(7*4)+(6*6)+(5*1)+(4*3)+(3*7)+(2*7)+(1*5)=129
129 % 10 = 9
So 146137-75-9 is a valid CAS Registry Number.

146137-75-9Upstream product

146137-75-9Downstream Products

146137-89-5 4-Benzylsulfanyl-benzo[b]thiophene-2-carboxylic acid methyl ester

146137-75-9Relevant articles and documents

Fluorine as an ortho-directing group in aromatic metalation: A two step preparation of substituted benzo[b] thiophene-2-carboxylates

Bridges, Alexander J.,Lee, Arthur,Maduakor, Emmanuel C.,Eric Schwartz

, p. 7499 - 7502 (2007/10/02)

A simple 2-step synthesis of B-ring substituted benzo[b]thiophene-2-carboxylates from aryl fluorides has been developed. The route involves a selective lithiation ortho to fluorine, followed by formylation, and subsequently, displacement of fluorine with

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CAS

146137-75-9