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(19S)-1-Acetyl-19,20-diacetoxycuran-17-oic acid methyl ester is a complex organic compound belonging to the class of curcuminoids, which are derived from the rhizome of the Curcuma longa plant, commonly known as turmeric. This specific compound is characterized by its unique molecular structure, featuring a curan core with a 17-oic acid group, a 1-acetyl group, and two acetoxy groups at the 19 and 20 positions. The methyl ester functional group is attached to the carboxylic acid group, enhancing its solubility in organic solvents. (19S)-1-Acetyl-19,20-diacetoxycuran-17-oic acid methyl ester has been studied for its potential anti-inflammatory, antioxidant, and anticancer properties, making it a subject of interest in pharmaceutical research and development.

2111-91-3

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2111-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2111-91-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,1 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2111-91:
(6*2)+(5*1)+(4*1)+(3*1)+(2*9)+(1*1)=43
43 % 10 = 3
So 2111-91-3 is a valid CAS Registry Number.

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