70281-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70281-93-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,8 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70281-93:
(7*7)+(6*0)+(5*2)+(4*8)+(3*1)+(2*9)+(1*3)=115
115 % 10 = 5
So 70281-93-5 is a valid CAS Registry Number.
InChI:InChI=1/C11H6F17NO4S.K/c1-29(2-3(30)31)34(32,33)11(27,28)9(22,23)7(18,19)5(14,15)4(12,13)6(16,17)8(20,21)10(24,25)26;/h2H2,1H3,(H,30,31);/q;+1/p-1