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87689-43-8

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87689-43-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87689-43-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,8 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87689-43:
(7*8)+(6*7)+(5*6)+(4*8)+(3*9)+(2*4)+(1*3)=198
198 % 10 = 8
So 87689-43-8 is a valid CAS Registry Number.

87689-43-8Downstream Products

87689-43-8Relevant articles and documents

Efficient Synthesis of Bis(5-arylfuran-2-yl)methane Scaffolds Utilizing Biomass-Derived Starting Materials

Chacón-Huete, Franklin,Covone, Jason,Zaroubi, Liana,Forgione, Pat

, (2022/02/17)

A new synthetic route utilizing biomass-derived furans as a starting material for the production of bis(5-arylfuran-2-yl)methane scaffolds was developed. Decarboxylative cross-coupling of 5-hydroxymethylfuroic acid (HMFA) was studied in detail with overall good yields. Acid-catalyzed self-condensation was optimized to produce the target structures in excellent yields. Overall, this report introduces a new expedient synthesis to obtain bis(furyl) methane scaffolds that avoids the use of protecting groups and highlights the utilization of renewable carbon sources as starting materials.

SYNTHESIS AND TUBERCULOSTATIC ACTIVITY OF 3- AND 5-SUBSTITUTED 2-ARYLFURANS

Oleinik, A. F.,Dozorova, E. N.,Solov'eva, N. P.,Polukhina, L. P.,Filitis, L. N.,et al.

, p. 549 - 552 (2007/10/02)

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