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4-Chloro-3-methylisothiazole is an organic compound with the chemical formula C4H4ClNS. It is a derivative of isothiazole, a heterocyclic aromatic compound consisting of a five-membered ring with one nitrogen atom and one sulfur atom. The molecule has a chlorine atom attached to the 4th carbon position and a methyl group (CH3) attached to the 3rd carbon position. 4-Chloro-3-methylisothiazole is primarily used as an intermediate in the synthesis of various agrochemicals, pharmaceuticals, and other chemical products. Due to its reactivity and potential applications, 4-chloro-3-methylisothiazole is an important building block in the chemical industry, although it should be handled with care due to its potential toxicity and environmental impact.

930-43-8

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930-43-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 930-43-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 930-43:
(5*9)+(4*3)+(3*0)+(2*4)+(1*3)=68
68 % 10 = 8
So 930-43-8 is a valid CAS Registry Number.

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