70815-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70815-09-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,1 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70815-09:
(7*7)+(6*0)+(5*8)+(4*1)+(3*5)+(2*0)+(1*9)=117
117 % 10 = 7
So 70815-09-7 is a valid CAS Registry Number.
InChI:InChI=1/C17H14Cl2N4O7S2.2Na/c1-8-5-10(31(25,26)27)3-4-13(8)20-21-16-9(2)22-23(17(16)24)14-6-12(19)15(7-11(14)18)32(28,29)30;;/h3-7,16H,1-2H3,(H,25,26,27)(H,28,29,30);;/q;2*+1/p-2/b21-20+;;