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171087-98-2

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171087-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171087-98-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,0,8 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 171087-98:
(8*1)+(7*7)+(6*1)+(5*0)+(4*8)+(3*7)+(2*9)+(1*8)=142
142 % 10 = 2
So 171087-98-2 is a valid CAS Registry Number.

171087-98-2Relevant articles and documents

Synthesis of bis(catechol) ligands derived from Troeger's base and their dinuclear triple-stranded complexes with titanium(IV) ions

Kiehne, Ulf,Luetzen, Arne

, p. 5703 - 5711 (2008/09/17)

Bis(catechol) ligands derived from 2,8-disubstituted analogues of Troeger's base and monofunctionalized MOM-protected or unprotected catechols bearing both rigid and flexible spacers were synthesized, which gave rise to dissymmetric oxygen donor ligands w

Synthesis of linear oligo(catechol) ligands for the metal directed self-assembling of helicates

Albrecht, Markus

, p. 230 - 236 (2007/10/03)

The synthesis of the oligo(catechol) systems 1-4 with different substituents, length of the connecting spacer, and number of catechol units is achieved by the use of various coupling reactions (e.g. Wurtz, Glaser-Eglinton, Stephens-Castro). In order to do this methods of preparing the building blocks, 2,3-dimethoxybenzyl bromides 5, 2,3-dimethoxyphenylacetylene (17), or 1,4-dibromo-2,3-dimethoxybenzene (23) have been developed starting with simple catechol (benzene-1,2-diol) derivatives.

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