81857-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81857-53-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,8,5 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81857-53:
(7*8)+(6*1)+(5*8)+(4*5)+(3*7)+(2*5)+(1*3)=156
156 % 10 = 6
So 81857-53-6 is a valid CAS Registry Number.
InChI:InChI=1/C25H44N6O6/c1-14(2)20(26)18(32)13-37-22(16(5)6)23(34)27-12-19(33)29-21(15(3)4)24(35)30-10-9-11-31(30)25(36)28-17(7)8/h11,14-17,20-21H,9-10,12-13,26H2,1-8H3,(H,27,34)(H,28,36)(H,29,33)/t20-,21-/m0/s1