75005-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75005-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,0,0 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75005-71:
(7*7)+(6*5)+(5*0)+(4*0)+(3*5)+(2*7)+(1*1)=109
109 % 10 = 9
So 75005-71-9 is a valid CAS Registry Number.
InChI:InChI=1/C20H25N5O11/c1-6(12(27)8-3-2-7(26)4-22-8)10(21)16(30)24-11(19(33)34)15-13(28)14(29)17(36-15)25-5-9(18(31)32)23-20(25)35/h2-6,10-15,17,26-29H,21H2,1H3,(H,23,35)(H,24,30)(H,31,32)(H,33,34)