84449-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84449-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,4 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 84449-77:
(7*8)+(6*4)+(5*4)+(4*4)+(3*9)+(2*7)+(1*7)=164
164 % 10 = 4
So 84449-77-4 is a valid CAS Registry Number.
84449-77-4Relevant articles and documents
Process for preparing 3-(4-aminoethoxybenzoyl)benzo[b]thiophenes
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, (2008/06/13)
The use of particularly advantageous protecting groups for the hydroxy groups of 6-hydroxy-2-(4-hydroxyphenyl)benzo[b]thiophenes provides a high-yielding process for the preparation of such compounds having a 4-(2-aminoethoxy)benzoyl 3-group.
