81186-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81186-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,8 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81186-19:
(7*8)+(6*1)+(5*1)+(4*8)+(3*6)+(2*1)+(1*9)=128
128 % 10 = 8
So 81186-19-8 is a valid CAS Registry Number.
InChI:InChI=1/C19H28N4O4/c1-2-16(24)13-23(19-20-10-11-21-19)14-22(12-6-9-17(25)26)18(27)15-7-4-3-5-8-15/h3-5,7-8,16,24H,2,6,9-14H2,1H3,(H,20,21)(H,25,26)