115219-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115219-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,2,1 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 115219-90:
(8*1)+(7*1)+(6*5)+(5*2)+(4*1)+(3*9)+(2*9)+(1*0)=104
104 % 10 = 4
So 115219-90-4 is a valid CAS Registry Number.
InChI:InChI=1/C18H20O5/c1-17(2)5-10-11(6-17)18(3)7-12(19)13(18)8-4-9(15(20)21)16(22)23-14(8)10/h4,10-11,14H,5-7H2,1-3H3,(H,20,21)/t10?,11-,14?,18+/m0/s1