751-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 751-75-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,5 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 751-75:
(5*7)+(4*5)+(3*1)+(2*7)+(1*5)=77
77 % 10 = 7
So 751-75-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H20Cl2N8O6/c1-30(6-11-18(34)28-16-13(25-11)15(23)27-20(24)29-16)14-8(21)4-7(5-9(14)22)17(33)26-10(19(35)36)2-3-12(31)32/h4-5,10H,2-3,6H2,1H3,(H,26,33)(H,31,32)(H,35,36)(H5,23,24,27,28,29,34)/t10-/m0/s1