16673-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16673-13-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,7 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16673-13:
(7*1)+(6*6)+(5*6)+(4*7)+(3*3)+(2*1)+(1*3)=115
115 % 10 = 5
So 16673-13-5 is a valid CAS Registry Number.
InChI:InChI=1/C16H14N2O10S2.2Na/c1-17-5-3-7(29(23,24)25)13(19)11-9(5)15(21)12-10(16(11)22)6(18-2)4-8(14(12)20)30(26,27)28;;/h3-4,17-20H,1-2H3,(H,23,24,25)(H,26,27,28);;/q;2*+1/p-2