17298-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17298-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,9 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17298-90:
(7*1)+(6*7)+(5*2)+(4*9)+(3*8)+(2*9)+(1*0)=137
137 % 10 = 7
So 17298-90-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H20O6/c1-7-6-9(21)11-12-10(7)18-14(20(3,4)8(2)26-18)15(22)13(12)17(24)19(25-5)16(11)23/h6,8,22-24H,1-5H3