138989-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138989-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,8 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138989-16:
(8*1)+(7*3)+(6*8)+(5*9)+(4*8)+(3*9)+(2*1)+(1*6)=189
189 % 10 = 9
So 138989-16-9 is a valid CAS Registry Number.
InChI:InChI=1/C36H48O19/c1-17-26(41)27(42)28(43)33(52-17)50-14-24-30(54-25(40)9-6-18-4-7-20(38)22(12-18)47-2)31(55-35-32(45)36(46,15-37)16-51-35)29(44)34(53-24)49-11-10-19-5-8-21(39)23(13-19)48-3/h4-9,12-13,17,24,26-35,37-39,41-46H,10-11,14-16H2,1-3H3/b9-6+