24621-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24621-18-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,6,2 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 24621-18:
(7*2)+(6*4)+(5*6)+(4*2)+(3*1)+(2*1)+(1*8)=89
89 % 10 = 9
So 24621-18-9 is a valid CAS Registry Number.
24621-18-9Relevant articles and documents
Arene Derivatives of Zirconium(II) and Hafnium(II)
Calderazzo, Fausto,Pallavicini, Piersandro,Pampaloni, Guido
, p. 1813 - 1818 (2007/10/02)
The anhydrous tetrahalides MX4 (M = Zr or Hf, X = Br or I) were prepared by treating M(BH4)4 with dry HX in n-heptane as solvent, followed by sublimation under reduced pressure.The reaction of ZrCl4 with Al-AlCl3-aromatic hydrocarbon systems led to soluti
