133298-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133298-78-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,2,9 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133298-78:
(8*1)+(7*3)+(6*3)+(5*2)+(4*9)+(3*8)+(2*7)+(1*8)=139
139 % 10 = 9
So 133298-78-9 is a valid CAS Registry Number.
InChI:InChI=1/C17H17F2N3O3/c18-12-5-10-14(13(19)15(12)21-4-3-8(20)6-21)22(9-1-2-9)7-11(16(10)23)17(24)25/h5,7-9H,1-4,6,20H2,(H,24,25)/t8-/m0/s1