133983-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133983-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,9,8 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 133983-26:
(8*1)+(7*3)+(6*3)+(5*9)+(4*8)+(3*3)+(2*2)+(1*6)=143
143 % 10 = 3
So 133983-26-3 is a valid CAS Registry Number.
InChI:InChI=1/C10H10F2N2O2.C4H7N3O.H2O4S/c11-6-5-4(1-2-13)3-14-8(5)7(12)10(16)9(6)15;1-7-2-3(8)6-4(7)5;1-5(2,3)4/h3,14-16H,1-2,13H2;2H2,1H3,(H2,5,6,8);(H2,1,2,3,4)