149733-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149733-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,7,3 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 149733-79:
(8*1)+(7*4)+(6*9)+(5*7)+(4*3)+(3*3)+(2*7)+(1*9)=169
169 % 10 = 9
So 149733-79-9 is a valid CAS Registry Number.
InChI:InChI=1/C17H19N3O8S2.2K/c18-4-2-1-3-5-20-16(21)11-7-9(29(23,24)25)6-10-14(11)12(17(20)22)8-13(15(10)19)30(26,27)28;;/h6-8H,1-5,18-19H2,(H,23,24,25)(H,26,27,28);;/q;2*+1/p-2