204256-39-3 Usage
Uses
1,2,6,9-Tetramethyl-phenanthrene is a persistent organic pollutant (POP).
Check Digit Verification of cas no
The CAS Registry Mumber 204256-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,2,5 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 204256-39:
(8*2)+(7*0)+(6*4)+(5*2)+(4*5)+(3*6)+(2*3)+(1*9)=103
103 % 10 = 3
So 204256-39-3 is a valid CAS Registry Number.
InChI:InChI=1/C18H18/c1-11-5-7-15-13(3)10-17-14(4)12(2)6-8-16(17)18(15)9-11/h5-10H,1-4H3