637343-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637343-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,3,4 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 637343-45:
(8*6)+(7*3)+(6*7)+(5*3)+(4*4)+(3*3)+(2*4)+(1*5)=164
164 % 10 = 4
So 637343-45-4 is a valid CAS Registry Number.
637343-45-4Relevant articles and documents
PROCESS FOR THE PREPARATION OF OXAZOLIDINONES AND METHOD OF USE THEREOF
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, (2010/02/06)
A process for preparing N-(substituted)-C-- (substituted methyl)-oxazolidinones, C-(substituted methyl)-oxazolidinones, and N-(substituted)-C-- (substituted ethyl)-oxazolidinones, preferably chiral, from optically active C-(protected oxymethyl)- oxazolidi