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942499-50-5

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942499-50-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 942499-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,2,4,9 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 942499-50:
(8*9)+(7*4)+(6*2)+(5*4)+(4*9)+(3*9)+(2*5)+(1*0)=205
205 % 10 = 5
So 942499-50-5 is a valid CAS Registry Number.

942499-50-5Downstream Products

942499-50-5Relevant articles and documents

Syntheses, characterization and crystal structure of diorganotin and triorganotin heterocyclicdicarboxylates with monomeric, 2D network and 3D framework structures

Yin, Han Dong,Li, Fa Hui,Wang, Chuan Hua

, p. 2797 - 2808 (2007)

A series of new diorganotin and triorganotin(IV) heterocyclicdicarboxylates [(nBu3Sn)2(2,5-pdc)]∞ (1), {[(2-FC6H4CH2)3Sn]2(2,5-pdc)}∞ (2), {[(2-ClC6H4CH2)3Sn]2(2,5-pdc)}∞ (3), {[(4-CNC6H4CH2)3Sn]2(2,5-pdc)}∞ (4), {[(4-ClC6H4CH2)3Sn]2(2,5-pdc)}∞ (5), [(Ph)2Sn(2,6-pdc)(H2O)]∞ (6), {[nBu3Sn(2,6-pdc)SnnBu3]2(H2O)2} · C2H3N (7) and {[Ph3Sn(2,3-pdz)SnPh3]2(H2O)} (8) have been obtained by reactions of diorganotin(IV) and triorganotin (IV) oxide with 2,6 or 2,5-H2pdc (pdc = pyridinedicarboxylate) or 2,3-H2pdz (pdz = pyrazinedicarboxylate). Complexes 1-8 were characterized by elemental, IR and NMR spectra analyses. The crystal and molecular structures of compounds 1, 6, 7 and 8 have been determined by X-ray single crystal diffraction. Compound 1 has 2D network structures. Compound 6 has 1D polymeric chain and 3D framework supramolecular structures due to the coordinated water molecules. Compound 7 has a monomeric structure, but the supramolecular structures are network. Crown Copyright

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