104169-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104169-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,6 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 104169-51:
(8*1)+(7*0)+(6*4)+(5*1)+(4*6)+(3*9)+(2*5)+(1*1)=99
99 % 10 = 9
So 104169-51-9 is a valid CAS Registry Number.
InChI:InChI=1/C20H32O5/c1-7-17-11(2)8-12(3)18(22)13(4)9-16(21)10-14(5)19(23)15(6)20(24)25-17/h8,10-11,13,15,17-19,22-23H,7,9H2,1-6H3/b12-8+,14-10+/t11?,13?,15-,17+,18?,19?/m1/s1