218938-57-9 Usage
Chemical Properties
White to off-white powder
Check Digit Verification of cas no
The CAS Registry Mumber 218938-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,3 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 218938-57:
(8*2)+(7*1)+(6*8)+(5*9)+(4*3)+(3*8)+(2*5)+(1*7)=169
169 % 10 = 9
So 218938-57-9 is a valid CAS Registry Number.
InChI:InChI=1/C24H26N2O6.C12H23N/c1-24(2,3)32-23(30)26-14-17(18-11-7-8-12-20(18)26)13-19(21(27)28)25-22(29)31-15-16-9-5-4-6-10-16;1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h4-12,14,19H,13,15H2,1-3H3,(H,25,29)(H,27,28);11-13H,1-10H2/t19-;/m0./s1