185453-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185453-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,4,5 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 185453-89:
(8*1)+(7*8)+(6*5)+(5*4)+(4*5)+(3*3)+(2*8)+(1*9)=168
168 % 10 = 8
So 185453-89-8 is a valid CAS Registry Number.
InChI:InChI=1/C15H23NOSi/c1-5-12-7-6-8-14-13(11-16-15(12)14)9-10-17-18(2,3)4/h6-8,11,16H,5,9-10H2,1-4H3
185453-89-8Relevant articles and documents
3-(2-trialkylsilyloxy)ethyl-7-ethyl-1H-indoles and method for their preparation
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, (2008/06/13)
The present invention relates to novel trialkylsilyloxy derivatives of 7-ethyltryptophol useful in the preparation of etodolac, and methods of making them, and methods of using them to prepare etodolac.