87789-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87789-44-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87789-44:
(7*8)+(6*7)+(5*7)+(4*8)+(3*9)+(2*4)+(1*4)=204
204 % 10 = 4
So 87789-44-4 is a valid CAS Registry Number.
87789-44-4Relevant articles and documents
Diethers of m- or p-hydroxyphenol
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, (2008/06/13)
Diethers of m- or p-hydroxyphenol, as well as the monoethers, are prepared by reacting m- or p-tert.-butoxyphenol of the formula II STR1 with a halogen compound in the presence of a hydroxide, carbonate and/or bicarbonate of an alkali metal or alkaline ea