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154473-27-5

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154473-27-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154473-27-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,4,7 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 154473-27:
(8*1)+(7*5)+(6*4)+(5*4)+(4*7)+(3*3)+(2*2)+(1*7)=135
135 % 10 = 5
So 154473-27-5 is a valid CAS Registry Number.

154473-27-5Upstream product

154473-27-5Downstream Products

154473-27-5Relevant articles and documents

Activated Basic Alumina Promotes a Mild, Clean and High-Yield Racemization-Free Synthesis of t-Butyl Esters from Chiral Acid Bromides and t-Butyl Alcohol

Nagasawa, Kazuo,Ohhashi, Keiko,Yamashita, Asami,Ito, Keiichi

, p. 209 - 212 (1994)

Esterification of a variety of acid bromides having even steric bulkiness with t-BuOH/activated basic alumina gave the corresponding t-butyl esters in good to excellent yields.In the case of chiral acid bromides, no racemization has been ascertained for the first time.

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