81869-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81869-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,8,6 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81869-18:
(7*8)+(6*1)+(5*8)+(4*6)+(3*9)+(2*1)+(1*8)=163
163 % 10 = 3
So 81869-18-3 is a valid CAS Registry Number.
InChI:InChI=1/C26H45NO10S.4Na/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-27(21(25(31)32)19-24(29)30)23(28)20-22(26(33)34)38(35,36)37;;;;/h17-18,21-22H,2-16,19-20H2,1H3,(H,29,30)(H,31,32)(H,33,34)(H,35,36,37);;;;/q;4*+1/p-4/b18-17+;;;;/t21-,22?;;;;/m0..../s1