19889-01-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19889-01-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,8 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19889-01:
(7*1)+(6*9)+(5*8)+(4*8)+(3*9)+(2*0)+(1*1)=161
161 % 10 = 1
So 19889-01-1 is a valid CAS Registry Number.
InChI:InChI=1/C19H26O6/c1-11-5-4-6-14(10-21)8-16-17(13(3)19(23)25-16)15(7-11)24-18(22)12(2)9-20/h5,8,12,15-17,20-21H,3-4,6-7,9-10H2,1-2H3/b11-5+,14-8-/t12?,15-,16+,17+/m0/s1