26399-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26399-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,3,9 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 26399-27:
(7*2)+(6*6)+(5*3)+(4*9)+(3*9)+(2*2)+(1*7)=139
139 % 10 = 9
So 26399-27-9 is a valid CAS Registry Number.
InChI:InChI=1/C30H37NO5/c1-17-10-9-13-23-28(34)20(4)19(3)26-24(16-22-11-7-6-8-12-22)31-29(35)30(23,26)25(36-21(5)32)15-14-18(2)27(17)33/h6-9,11-15,17-19,23-26,28,34H,4,10,16H2,1-3,5H3,(H,31,35)/b13-9+,15-14+