84540-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84540-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,5,4 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 84540-66:
(7*8)+(6*4)+(5*5)+(4*4)+(3*0)+(2*6)+(1*6)=139
139 % 10 = 9
So 84540-66-9 is a valid CAS Registry Number.
InChI:InChI=1/C16H20N2O5S.C6H13N/c1-10(19)15(16(20)21)17-24(22,23)14-9-5-6-11-12(14)7-4-8-13(11)18(2)3;7-6-4-2-1-3-5-6/h4-10,15,17,19H,1-3H3,(H,20,21);6H,1-5,7H2/t10?,15-;/m0./s1