74240-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74240-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,4 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74240-89:
(7*7)+(6*4)+(5*2)+(4*4)+(3*0)+(2*8)+(1*9)=124
124 % 10 = 4
So 74240-89-4 is a valid CAS Registry Number.
InChI:InChI=1/C10H12FN3O7/c11-2-1-14(10(20)13-8(2)19)9-5(17)3(15)4(16)6(21-9)7(12)18/h1,3-6,9,15-17H,(H2,12,18)(H,13,19,20)/t3-,4-,5+,6-,9+/m0/s1