198903-95-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198903-95-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,9,0 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 198903-95:
(8*1)+(7*9)+(6*8)+(5*9)+(4*0)+(3*3)+(2*9)+(1*5)=196
196 % 10 = 6
So 198903-95-6 is a valid CAS Registry Number.
InChI:InChI=1/C33H44N6O7S2/c1-21(2)29(37-33(44)46-4)31(42)35-25(15-22-9-7-6-8-10-22)27(40)18-39(38-30(41)26(19-47-5)36-32(43)45-3)17-23-11-13-24(14-12-23)28-16-34-20-48-28/h6-14,16,20-21,25-27,29,40H,15,17-19H2,1-5H3,(H,35,42)(H,36,43)(H,37,44)(H,38,41)/t25-,26-,27-,29-/m0/s1