120551-15-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120551-15-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,5,5 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 120551-15:
(8*1)+(7*2)+(6*0)+(5*5)+(4*5)+(3*1)+(2*1)+(1*5)=77
77 % 10 = 7
So 120551-15-7 is a valid CAS Registry Number.
InChI:InChI=1/C18H14N2O11/c21-14(22)5-20(6-15(23)24)9-3-10-8(1-11(9)29-7-16(25)26)2-12(30-10)17-19-4-13(31-17)18(27)28/h1-4H,5-7H2,(H,21,22)(H,23,24)(H,25,26)(H,27,28)