3328-98-1 Usage
General Description
2,2′-DDE, also known as 2,2-dichloro-2,2-bis(p-chlorophenyl)ethylene, is a chemical compound that is a metabolite of the pesticide DDT. It is classified as a persistent organic pollutant and is included in the Stockholm Convention on Persistent Organic Pollutants. 2,2′-DDE is known to have harmful effects on human health and the environment. It has been found to be an endocrine disruptor, interfering with hormone systems in animals and humans. It is also a potential carcinogen and has been linked to reproductive and developmental issues. Additionally, it can bioaccumulate in the food chain, posing a threat to wildlife and humans who consume contaminated food sources. Efforts are being made to reduce and eliminate the use and presence of 2,2′-DDE in the environment.
Check Digit Verification of cas no
The CAS Registry Mumber 3328-98-1 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, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3328-98:
(6*3)+(5*3)+(4*2)+(3*8)+(2*9)+(1*8)=91
91 % 10 = 1
So 3328-98-1 is a valid CAS Registry Number.
3328-98-1Relevant articles and documents
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Gaetzi
, p. 1159,1161 (1946)
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Process for the preparation of 1,1-bis(chlorophenyl)-2,2,2-trichloroethanol
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, (2008/06/13)
The invention relates to a process for the synthesis of 1,1-bis(chlorophenyl)-2,2,2-trichloroethanol in (dicofol) from chlorol and chlorobenzene, in which process the acid by-products formed during the condensation reaction of the chloral and the chlorobenzene are used as reaction medium in the final step for synthesis of dicofol.
