643758-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 643758-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,3,7,5 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 643758-55:
(8*6)+(7*4)+(6*3)+(5*7)+(4*5)+(3*8)+(2*5)+(1*5)=188
188 % 10 = 8
So 643758-55-8 is a valid CAS Registry Number.
643758-55-8Relevant articles and documents
Engineered enzymes and their use for synthesis of thioglycosides
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, (2008/06/13)
Mutant glycosidases in which the amino acid in the active site that serves as the acid, base or acid/base-catalyst is converted from a carboxylic acid to some other amino acid (for example to a simple alkyl, as in alanine or glycine) can catalyze the reac