76523-40-5 Usage
Uses
Isotope labelled 2,3,7,8-Tetrachloro-p-dioxin, a toxic polychlorinated dibenzo-p-dioxin detected in domestic meat and poultry.
Check Digit Verification of cas no
The CAS Registry Mumber 76523-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,2 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 76523-40:
(7*7)+(6*6)+(5*5)+(4*2)+(3*3)+(2*4)+(1*0)=135
135 % 10 = 5
So 76523-40-5 is a valid CAS Registry Number.
InChI:InChI=1/C12H4Cl4O2/c13-5-1-9-10(2-6(5)14)18-12-4-8(16)7(15)3-11(12)17-9/h1-4H/i1+1,2+1,3+1,4+1,5+1,6+1,7+1,8+1,9+1,10+1,11+1,12+1