54781-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54781-72-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,8 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 54781-72:
(7*5)+(6*4)+(5*7)+(4*8)+(3*1)+(2*7)+(1*2)=145
145 % 10 = 5
So 54781-72-5 is a valid CAS Registry Number.
InChI:InChI=1/C22H36O7/c1-11(23)29-16-9-21-10-19(4,26)12(17(21)25)6-7-13(21)20(5,27)14-8-15(24)18(2,3)22(14,16)28/h12-17,24-28H,6-10H2,1-5H3/t12?,13-,14-,15-,16+,17-,19+,20+,21?,22-/m0/s1