81072-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81072-29-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,7 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81072-29:
(7*8)+(6*1)+(5*0)+(4*7)+(3*2)+(2*2)+(1*9)=109
109 % 10 = 9
So 81072-29-9 is a valid CAS Registry Number.
InChI:InChI=1/C31H47NO9/c1-17(33)27(37)28(38)24(34)14-32-15-26(36)41-20-6-9-29(2)19(13-20)4-5-23-22(29)7-10-30(3)21(8-11-31(23,30)39)18-12-25(35)40-16-18/h12,14,17,19-24,27-28,33-34,37-39H,4-11,13,15-16H2,1-3H3/b32-14+