118498-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118498-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,4,9 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118498-91:
(8*1)+(7*1)+(6*8)+(5*4)+(4*9)+(3*8)+(2*9)+(1*1)=162
162 % 10 = 2
So 118498-91-2 is a valid CAS Registry Number.
InChI:InChI=1/C51H71NO15/c1-9-10-14-25-41-50(5,6)47(58)48(66-43(56)28-35-22-15-13-16-23-35)51(60,67-41)36(31-63-40-30-44(61-7)64-34(4)45(40)57)49(59)52-27-20-19-21-32(2)46(62-8)33(3)39-29-37(53)38(65-39)24-17-11-12-18-26-42(54)55/h9-26,33-34,36-41,44-48,53,57-58,60H,27-31H2,1-8H3,(H,52,59)(H,54,55)/b10-9+,12-11+,20-19+,24-17+,25-14+,26-18+,32-21+