39559-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39559-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,5,5 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 39559-42:
(7*3)+(6*9)+(5*5)+(4*5)+(3*9)+(2*4)+(1*2)=157
157 % 10 = 7
So 39559-42-7 is a valid CAS Registry Number.
InChI:InChI=1/C16H12O3/c1-10(17)19-16-14-9-5-3-7-12(14)11-6-2-4-8-13(11)15(16)18/h2-9,18H,1H3