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Sulfuric acid monoethyl ester, also known as ethyl sulfate or ethyl hydrogen sulfate, is an organic compound with the chemical formula C2H6O4S. It is a colorless, oily liquid that is soluble in water and has a pungent odor. Ethyl sulfate is an ester formed by the reaction of sulfuric acid with ethanol and is used as a solvent, a reagent in organic synthesis, and a precursor in the production of various chemicals. Calcium compounds, on the other hand, are a diverse group of inorganic substances that contain calcium as a primary element. These compounds have various applications, including construction materials (e.g., cement and lime), dietary supplements, and industrial processes. Calcium compounds are essential for various biological functions, such as bone formation and muscle contraction, and play a crucial role in maintaining the structural integrity and overall health of living organisms.

5743-41-9

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5743-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5743-41-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,4 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5743-41:
(6*5)+(5*7)+(4*4)+(3*3)+(2*4)+(1*1)=99
99 % 10 = 9
So 5743-41-9 is a valid CAS Registry Number.

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