98474-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98474-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,4,7 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98474-20:
(7*9)+(6*8)+(5*4)+(4*7)+(3*4)+(2*2)+(1*0)=175
175 % 10 = 5
So 98474-20-5 is a valid CAS Registry Number.
InChI:InChI=1/C43H54O17/c1-18-25(44)8-10-32(55-18)60-43-30(46)16-41(5,52)17-42(43,53)13-12-24-35(43)40(51)23-7-6-22(38(49)34(23)39(24)50)28-15-29(37(48)21(4)54-28)59-31-11-9-27(19(2)56-31)58-33-14-26(45)36(47)20(3)57-33/h6-7,12-13,18-21,25,27-29,31-33,36-37,44,47-49,52-53H,8-11,14-17H2,1-5H3/t18-,19-,20+,21+,25-,27-,28+,29+,31-,32-,33-,36+,37+,41?,42-,43-/m0/s1