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18716-61-5

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18716-61-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18716-61-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,1 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18716-61:
(7*1)+(6*8)+(5*7)+(4*1)+(3*6)+(2*6)+(1*1)=125
125 % 10 = 5
So 18716-61-5 is a valid CAS Registry Number.

18716-61-5Downstream Products

18716-61-5Relevant articles and documents

Enthalpies of Dissolution of Lithium Perchlorate in Diethyl Ether, Acetone, Acetonitrile, and Dimethyl Sulfoxide and Its Acceleration Effect on Cycloaddition Reactions

Kiselev,Kashaeva,Luzanova,Konovalov

, p. 1361 - 1366 (2007/10/03)

The integral enthalpies of dissolution of lithium perchlorate in diethyl ether, acetone, acetonitrile, and dimethyl sulfoxide were determined by calorimetry at 298.2 K: -6.2, -9.1, -15.9, and -18.0 kcal/mol, respectively. The concentration dependence of the integral enthalpy of dissolution of lithium perchlorate in diethyl ether was established in the range from 3x10-3 to 5.6 M. The exothermic effect of dissolution in ether decreases from -6 to -5 kcal/mol at low salt concentrations (3x10-3-3x10-2 M), remains constant in the range of salt concentrations from 5x10-2-1.3 M, and then smoothly decreases to -3.2 kcal/mol at a salt concentration of 5.6 M.

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