133399-57-2 Usage
Chemical Properties
Light Brown Solid
Uses
A fluorescent tag for polymer chemistry
Check Digit Verification of cas no
The CAS Registry Mumber 133399-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,3,9 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 133399-57:
(8*1)+(7*3)+(6*3)+(5*3)+(4*9)+(3*9)+(2*5)+(1*7)=142
142 % 10 = 2
So 133399-57-2 is a valid CAS Registry Number.
InChI:InChI=1/C23H21NO/c1-2-21(25)24-15-4-3-6-16-9-10-19-12-11-17-7-5-8-18-13-14-20(16)23(19)22(17)18/h2,5,7-14H,1,3-4,6,15H2,(H,24,25)