81695-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81695-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,9 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81695-89:
(7*8)+(6*1)+(5*6)+(4*9)+(3*5)+(2*8)+(1*9)=168
168 % 10 = 8
So 81695-89-8 is a valid CAS Registry Number.
InChI:InChI=1/C25H33N3O5.CH4O3S/c1-24(2,27-15-21(30)16-10-11-20(29)17(14-16)22(31)26-5)12-13-28-19-9-7-6-8-18(19)25(3,4)33-23(28)32;1-5(2,3)4/h6-11,14,21,27,29-30H,12-13,15H2,1-5H3,(H,26,31);1H3,(H,2,3,4)