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177602-10-7

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177602-10-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177602-10-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,6,0 and 2 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 177602-10:
(8*1)+(7*7)+(6*7)+(5*6)+(4*0)+(3*2)+(2*1)+(1*0)=137
137 % 10 = 7
So 177602-10-7 is a valid CAS Registry Number.

177602-10-7Downstream Products

177602-10-7Relevant articles and documents

Kinetic resolution of diarylmethanols using a mutated variant of lipase CALB

Engstr?m, Karin,Vallin, Michaela,Hult, Karl,B?ckvall, Jan-E.

experimental part, p. 7613 - 7618 (2012/09/07)

An enzymatic kinetic resolution of diarylmethanols via acylation has been developed. This was achieved by the use of a mutated variant of CALB that accepts larger substrates compared to the wild type. By the use of diarylmethanols with two differently sized aryl groups, enantioselective transformations were achieved. A larger size-difference led to a higher enantioselectivity. In addition, substrates with electronically different aryl groups, such as phenyl and pyridyl, also gave an enantioselective reaction. The highest E value was observed with a substrate where steric and electronic effects were combined.

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