77928-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77928-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,2 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77928-51:
(7*7)+(6*7)+(5*9)+(4*2)+(3*8)+(2*5)+(1*1)=179
179 % 10 = 9
So 77928-51-9 is a valid CAS Registry Number.
InChI:InChI=1/C35H40O10/c1-16-14-22-28(18(3)32(40)42-22)30(34(5)20(16)10-12-24(34)36)44-26(38)8-7-9-27(39)45-31-29-19(4)33(41)43-23(29)15-17(2)21-11-13-25(37)35(21,31)6/h10-13,16-17,20-23,28-31H,3-4,7-9,14-15H2,1-2,5-6H3/t16-,17-,20+,21+,22-,23-,28-,29-,30+,31+,34+,35+/m1/s1