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185981-25-3

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185981-25-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 185981-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,9,8 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 185981-25:
(8*1)+(7*8)+(6*5)+(5*9)+(4*8)+(3*1)+(2*2)+(1*5)=183
183 % 10 = 3
So 185981-25-3 is a valid CAS Registry Number.

185981-25-3Upstream product

185981-25-3Relevant academic research and scientific papers

Homobenzotetramisole-catalyzed kinetic resolution of α-Aryl-, α-Aryloxy-, and α-Arylthioalkanoic acids

Yang, Xing,Birman, Vladimir B.

supporting information; experimental part, p. 2301 - 2304 (2010/01/19)

Effective kinetic resolutions of α-aryl-, αaryloxy-, and α-arylthioalkanoic acids have been achieved via in situ generation of their symmetrical anhydrides and enantioselective alcoholysis in the presence of homobenzotetramisole (HBTM) 3.

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