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5-Chloro-4-hydroxyisophthalaldehyde is an organic compound with the chemical formula C7H5ClO3. It is a derivative of isophthalaldehyde, featuring a chlorine atom at the 5-position and a hydroxyl group at the 4-position. This pale yellow crystalline solid is soluble in common organic solvents and is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and specialty chemicals. Due to its reactivity, it is often employed in the preparation of complex molecules and polymers, showcasing its versatility in organic chemistry.

3328-72-1

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3328-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3328-72-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,2 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 3328-72:
(6*3)+(5*3)+(4*2)+(3*8)+(2*7)+(1*2)=81
81 % 10 = 1
So 3328-72-1 is a valid CAS Registry Number.

3328-72-1Downstream Products

3328-72-1Relevant academic research and scientific papers

Synthesis of salicylaldehydes from phenols via copper-mediated duff reaction

Fu, Xue-Wen,Pu, Wen-Chen,Zhang, Guo-Lin,Wang, Chun

, p. 8147 - 8158 (2015)

A copper-mediated Duff reaction for ortho-selective formylation of phenols has been developed. In the presence of copper species, significant improvements of yield and ortho-selectivity of the Duff formylation were achieved, which provides an easy access to salicylaldehydes from phenols.

Hybrid benzofuran-bisindole derivatives: New prototypes with promising anti-hyperlipidemic activities

Sashidhara, Koneni V.,Modukuri, Ram K.,Sonkar, Ravi,Rao, K. Bhaskara,Bhatia, Gitika

, p. 38 - 46 (2013/10/01)

A series of different benzofuran-bisindole hybrids were synthesized and evaluated in vitro for their antioxidant and in vivo for antidyslipidemic activity in triton WR-1339 induced hyperlipidemic rats. Among the series, compounds 4a, 4c, 4h and 4j showed

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