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1043617-88-4

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1043617-88-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1043617-88-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,3,6,1 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1043617-88:
(9*1)+(8*0)+(7*4)+(6*3)+(5*6)+(4*1)+(3*7)+(2*8)+(1*8)=134
134 % 10 = 4
So 1043617-88-4 is a valid CAS Registry Number.

1043617-88-4Downstream Products

1043617-88-4Relevant articles and documents

Substituent effects in linear organogermanium catenates

Amadoruge, Monika L.,Gardinier, James R.,Weinert, Charles S.

, p. 3753 - 3760 (2008)

The trigermanes EtOCH2CH2Ge(R2)Ge(Ph 2)Ge(R2)CH2CH2OEt (R = Et, Bu, Ph) and Ph3GeGe(Bu2)-Ge(Ph2)CH2CH 2OEt as well as the two tetragermanes Ph3GeGe(Bu 2)Ge(Ph2)Ge(R2)CH2CH2OEt (R = Et, Bu) have been prepared and characterized. The absorption and electrochemical attributes of these species, along with the butylated oligogermane series Ph3Ge(GeBu2)nCH 2CH2OEt (n = 1-3) and the digermanes Ph 3GeGeR3 (R = Et, Bu, Pr', Ph), have been investigated using UV/visible spectroscopy and cyclic voltammetry. In general, the position of the absorption maximum shifts to lower energy and the oxidation potential decreases with increasing chain length. Variation of the organic substituents at germanium was also found to have a measurable effect on these spectral and electrochemical features. The experimental results were correlated with the energies of the HOMO and LUMO in these molecules, which were determined by density functional theory (DFT) calculations.

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