81190-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81190-38-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,9 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81190-38:
(7*8)+(6*1)+(5*1)+(4*9)+(3*0)+(2*3)+(1*8)=117
117 % 10 = 7
So 81190-38-7 is a valid CAS Registry Number.
InChI:InChI=1/C16H23F13N2O7S2.Na.H2O/c1-31(2,6-7-32)5-3-4-30(8-10(33)9-39(34,35)36)40(37,38)16(28,29)14(23,24)12(19,20)11(17,18)13(21,22)15(25,26)27;;/h10,32-33H,3-9H2,1-2H3;;1H2/q;+1;/p-1