80539-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80539-33-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,5,3 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80539-33:
(7*8)+(6*0)+(5*5)+(4*3)+(3*9)+(2*3)+(1*3)=129
129 % 10 = 9
So 80539-33-9 is a valid CAS Registry Number.
InChI:InChI=1/C15H16Br2O3/c1-7-13(18-7)9-6-10(9)14-12(17)15-11(20-14)5-8(19-15)3-2-4-16/h3-4,7-11,13,15H,5-6H2,1H3/t2?,7-,8-,9?,10+,11-,13+,15+/m1/s1