81127-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81127-21-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,2 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81127-21:
(7*8)+(6*1)+(5*1)+(4*2)+(3*7)+(2*2)+(1*1)=101
101 % 10 = 1
So 81127-21-1 is a valid CAS Registry Number.
InChI:InChI=1/C32H46O12/c1-11-16(5)27(35)40-20-14-30(9,44-19(8)33)23-22(26-32(20,39)31(10,38)29(37)43-26)18(7)24(42-28(36)17(6)12-2)25(23)41-21(34)13-15(3)4/h12,15-16,20,23-26,38-39H,11,13-14H2,1-10H3/b17-12-/t16?,20-,23+,24-,25-,26-,30-,31+,32+/m1/s1