26931-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26931-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,9,3 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 26931-65:
(7*2)+(6*6)+(5*9)+(4*3)+(3*1)+(2*6)+(1*5)=127
127 % 10 = 7
So 26931-65-7 is a valid CAS Registry Number.
InChI:InChI=1/C29H42O9/c1-15-23(32)24(33)25(34)26(37-15)38-18-5-9-28(14-30)17(12-18)3-4-21-20(28)6-8-27(2)19(7-10-29(21,27)35)16-11-22(31)36-13-16/h11,14-15,17-21,23-26,32-35H,3-10,12-13H2,1-2H3/t15?,17-,18-,19+,20?,21?,23+,24?,25?,26-,27+,28+,29-/m0/s1