108929-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108929-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,2 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 108929-03:
(8*1)+(7*0)+(6*8)+(5*9)+(4*2)+(3*9)+(2*0)+(1*3)=139
139 % 10 = 9
So 108929-03-9 is a valid CAS Registry Number.
InChI:InChI=1/C17H16N4O5/c1-26-13-3-5-15-14(9-13)11(10-19-15)6-7-18-16-4-2-12(20(22)23)8-17(16)21(24)25/h2-5,8-10,18-19H,6-7H2,1H3