93819-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93819-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,8,1 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93819-97:
(7*9)+(6*3)+(5*8)+(4*1)+(3*9)+(2*9)+(1*7)=177
177 % 10 = 7
So 93819-97-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H14F19NO5S/c21-14(22,23)11(13(18(31,32)33,16(27,28)19(34,35)36)17(29,30)20(37,38)39)12(15(24,25)26)45-9-1-3-10(4-2-9)46(43,44)40(5-7-41)6-8-42/h1-4,41-42H,5-8H2/b12-11+