39604-66-5 Usage
Preparation
Obtained by partial methylation of benzyl 2,4,6-tri-hydroxyphenyl ketone, ? with dimethyl sulfate in the presence of potassium carbonate in boiling acetone , for 1 h, (69%) or for 14 h (68%); ? with methyl iodide in the presence of potassium carbonate in refluxing acetone for 6 h.
Check Digit Verification of cas no
The CAS Registry Mumber 39604-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,6,0 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 39604-66:
(7*3)+(6*9)+(5*6)+(4*0)+(3*4)+(2*6)+(1*6)=135
135 % 10 = 5
So 39604-66-5 is a valid CAS Registry Number.
InChI:InChI=1/C16H16O4/c1-19-12-9-14(18)16(15(10-12)20-2)13(17)8-11-6-4-3-5-7-11/h3-7,9-10,18H,8H2,1-2H3