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157605-73-7

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157605-73-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157605-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,0 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 157605-73:
(8*1)+(7*5)+(6*7)+(5*6)+(4*0)+(3*5)+(2*7)+(1*3)=147
147 % 10 = 7
So 157605-73-7 is a valid CAS Registry Number.

157605-73-7Downstream Products

157605-73-7Relevant articles and documents

Enantioselective olefin epoxidation using novel biphenyl and binaphthyl azepines and azepinium salts

Vachon, Jerome,Lauper, Cedric,Ditrich, Klaus,Lacour, Jerome

, p. 2334 - 2338 (2006)

Homologous biphenyl and (diastereomeric) binaphthyl tertiary azepines and quaternary iminium salts were prepared from (S)- and (R)-3,3-dimethylbutan-2-amine. Both the amines and iminium ions behave as effective catalysts for the enantioselective epoxidati

Preparation of C 2-Symmetric Biaryl Bisiminium Salts and Their Use as Organocatalysts for Asymmetric Epoxidation

Bulman Page, Philip C.,Farah, Mohamed M.,Buckley, Benjamin R.,Chan, Yohan,Blacker, A. John

, p. 126 - 130 (2015/12/26)

Two C 2-symmetric bisiminium salt species containing biphenylazepinium units and derived from two chiral diamines were prepared and tested as organocatalysts for asymmetric epoxidation.

Carbohydrate-derived iminium salt organocatalysts for the asymmetric epoxidation of alkenes

Bulman Page, Philip C.,Chan, Yohan,Liddle, John,Elsegood, Mark R.J.

, p. 7283 - 7305 (2017/09/13)

A new family of carbohydrate-based dihydroisoquinolinium salts has been prepared and tested for potential as asymmetric catalysts for the epoxidation of unfunctionalized alkene substrates, providing up to 57% ee in the product epoxides.

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