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193885-93-7

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193885-93-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 193885-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,8,8 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 193885-93:
(8*1)+(7*9)+(6*3)+(5*8)+(4*8)+(3*5)+(2*9)+(1*3)=197
197 % 10 = 7
So 193885-93-7 is a valid CAS Registry Number.

193885-93-7Upstream product

193885-93-7Downstream Products

193885-93-7Relevant articles and documents

Synthesis of oligo(diazaphenyls). Tailor-made fluorescent heteroaromatics and pathways to nanostructures

Gompper, Rudolf,Mair, Hans-Jürgen,Polborn, Kurt

, p. 696 - 718 (2007/10/03)

Oligoaza derivatives of biphenyl, terphenyl, quaterphenyl, quinquephenyl, sexiphenyl, septiphenyl, octiphenyl, noviphenyl, deciphenyl and dodeciphenyl and poly(pyrimidinylenephenylene) can be synthesized from readily accessible vinamidinium salts and amidines or N,N,N'- tris(trimethylsilyl)amidines. The fluorescence of these systems can be tuned over a wide spectral range by varying number and positions of N atoms. Oligo(diazaphenyls) are thermally and photochemically stable, are easier to reduce than oligopheny]s, can be dissolved at any rate in strong acids and show strong blue fluorescence in solution as well as in the solid state.

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