67939-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67939-97-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,9,3 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67939-97:
(7*6)+(6*7)+(5*9)+(4*3)+(3*9)+(2*9)+(1*7)=193
193 % 10 = 3
So 67939-97-3 is a valid CAS Registry Number.
InChI:InChI=1/C22H19F30N2O8PS2.H3N/c1-3-53(64(57,58)21(49,50)17(39,40)13(31,32)9(23,24)11(27,28)15(35,36)19(43,44)45)5-7-61-63(55,56)62-8-6-54(4-2)65(59,60)22(51,52)18(41,42)14(33,34)10(25,26)12(29,30)16(37,38)20(46,47)48;/h3-8H2,1-2H3,(H,55,56);1H3