Mercury, (acetato-O)ethyl-, mixt. with ethyl(3-mercapto-1,2-propanediolato-S)mercury is a complex chemical compound that consists of a mixture of two mercury-containing compounds: ethylmercury acetate and ethylmercury thiosalicylate. Ethylmercury acetate is an organomercury compound with the formula C4H10HgO2, where an ethyl group is attached to a mercury atom, which is further bonded to an acetate group. Ethylmercury thiosalicylate, on the other hand, has the formula C6H10HgO3S, featuring an ethyl group attached to a mercury atom that is bonded to a thiosalicylate group. This mixture is known for its use as a preservative in vaccines, particularly in multidose vials to prevent bacterial contamination. However, due to concerns over the potential neurotoxic effects of mercury, its use in vaccines has been significantly reduced or eliminated in many countries, with alternative preservatives being employed.
The CAS Registry Mumber 8003-38-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 3 respectively; the second part has 2 digits, 3 and 8 respectively. Calculate Digit Verification of CAS Registry Number 8003-38: (6*8)+(5*0)+(4*0)+(3*3)+(2*3)+(1*8)=71 71 % 10 = 1 So 8003-38-1 is a valid CAS Registry Number.
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