140670-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140670-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,6,7 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 140670-89:
(8*1)+(7*4)+(6*0)+(5*6)+(4*7)+(3*0)+(2*8)+(1*9)=119
119 % 10 = 9
So 140670-89-9 is a valid CAS Registry Number.
InChI:InChI=1/C18H20O2/c1-11-7-14-13(9-16(11)19)8-12-5-4-6-18(2,3)15(12)10-17(14)20/h4-5,7-9,15,19H,6,10H2,1-3H3/t15-/m1/s1