83929-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83929-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,2 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83929-49:
(7*8)+(6*3)+(5*9)+(4*2)+(3*9)+(2*4)+(1*9)=171
171 % 10 = 1
So 83929-49-1 is a valid CAS Registry Number.
InChI:InChI=1/C17H14N2O8S2.Na/c18-11-3-1-9(2-4-11)17(21)19-14-7-12(28(22,23)24)5-10-6-13(29(25,26)27)8-15(20)16(10)14;/h1-8,20H,18H2,(H,19,21)(H,22,23,24)(H,25,26,27);/q;+1/p-2