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16645-68-4

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16645-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16645-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,4 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16645-68:
(7*1)+(6*6)+(5*6)+(4*4)+(3*5)+(2*6)+(1*8)=124
124 % 10 = 4
So 16645-68-4 is a valid CAS Registry Number.

16645-68-4Relevant academic research and scientific papers

Crystal structure of K2[C2O6] - First proof of existence and constitution of a peroxodicarbonate ion

Dinnebier, Robert E.,Vensky, Sascha,Stephens, Peter W.,Jansen, Martin

, p. 1922 - 1924 (2002)

By using high-resolution X-ray powder diffraction, we have determined the first crystal structure of a peroxodicarbonate compound, synthesized by electrocrystallization at -20°C. The constitution of the peroxodicarbonate anion was established and all structural details, including its conformation (see picture), can be understood qualitatively in terms of classical concepts of the chemical bond.

ALKALI-METAL PEROXOCARBONATES, M2*nH2O2, M2, M*nH2O, AND Li2*H2O

Jones, D. Philip,Griffith, William P.

, p. 2526 - 2532 (2007/10/02)

The vibrational spectra of normal and(2)H-enriched carbonate perhydrates M2*nH2O2 (Na, n = 1.5; K, Rb, or Cs, n = 3; NH4, n = 1) and those of the normal and (13)C-enriched peroxodicarbonates M2 (M = Na, K, Rb, or Cs), normal and (13)C-enriched

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